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Manfred Wendt (Brookhaven National Laboratory)31/08/2026, 09:50
With the Relativistic Heavy Ion Collider (RHIC) ceasing its operation in February 2026, the Electron-Ion Collider (EIC) project at the Brookhaven National Laboratory (BNL) will be the only high-energy particle collider in North America, foreseen to start operating in 2035. To provide the ambitious electron and hadron ring beam parameters to achieve the required luminosity, collision energies...
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Daniele Butti (European Organization for Nuclear Research)31/08/2026, 11:00MC04: Transverse Profile and Emittance MonitorsInvited Oral Presentation
The large energy range and high intensity of current hadron accelerators, such as the Large Hadron Collider (LHC) and its planned high-luminosity upgrade, pose great challenges to beam measurements.
The Beam Gas Curtain (BGC) was successfully installed in the accelerator in 2023 and presents an accurate, minimally invasive profile monitor with a large energy range for high-intensity beams....
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Riku Nomaru (The University of Tokyo, High Energy Accelerator Research Organization)31/08/2026, 11:30MC04: Transverse Profile and Emittance MonitorsContributed Oral Presentation
High-luminosity electron–positron colliders such as SuperKEKB operate with high bunch currents and a large number of bunches in collision. Under these conditions, various beam instabilities can arise and limit beam performance. Investigating such phenomena requires diagnostic instruments capable of resolving beam properties on a bunch-by-bunch timescale. In particular, identifying...
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6. Betatron radiation as a dual diagnostic for electrons and photons in plasma accelerators (MORT04)Alessandro Curcio (Sapienza University of Rome)31/08/2026, 13:30MC04: Transverse Profile and Emittance MonitorsInvited Oral Presentation
Betatron radiation generated by relativistic electrons oscillating in plasma wakefields constitutes a powerful, non-invasive diagnostic for both electron beams and the emitted photon radiation in plasma accelerators.
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The spectral, angular, and statistical features of the radiation encode key information about electron dynamics, enabling single-shot reconstruction of electron beam parameters,... -
chunjie xie (Institute of High Energy Physics)31/08/2026, 14:00MC04: Transverse Profile and Emittance MonitorsContributed Oral Presentation
Carbon nanotube fibers are a promising alternative to traditional materials used in accelerator beam diagnostics due to their high thermal conductivity, mechanical strength, and radiation resistance. A novel large-diameter carbon nanotube (CNT) fiber has been recently fabricated and produced based upon vacuum annealing purification. We have optimized the fabrication process to produce...
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Xinru Gao (University of Science and Technology of China)31/08/2026, 14:20MC04: Transverse Profile and Emittance MonitorsContributed Oral Presentation
This paper presents a novel polychromatic synchrotron interferometer specifically designed to meet the stringent single-shot, two-dimensional beam diagnostic requirements of fourth-generation diffraction-limited light sources like the Hefei Advanced Light Facility (HALF). The system overcomes the limitations of conventional sequential and single-projection methods by enabling complete...
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Michael Chin (Lawrence Berkeley National Laboratory)31/08/2026, 15:10
The ALS has been running with an in-house designed Beam Position Monitor for over 10 years. A new design has been developed for the ALS-U project. It includes 8 inputs per pizza-box chassis, an improved Pilot Tone generation for the two button sets, a modular packaging for upgrades and adapting to other machine RF, and improved performance.
The ALS-U BPM uses an AMD Gen3 RFSOC, which...
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Claire Houghton (Diamond Light Source)31/08/2026, 15:40
The upgrade of Diamond Light Source to the 4th generation storage ring, Diamond-II, introduces significant changes in the white photon beam properties. Upgrades to the existing XBPM hardware are underway to accommodate increased beam power while maintaining high position sensitivity across beamlines. XBPM blade geometries and positions were optimised using Synchrotron Radiation Workshop (SRW)...
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Laura Pedraza (Instituto de Física Corpuscular)31/08/2026, 16:00
A re-entrant cavity beam position monitor (cBPM) has been designed using CST Studio Suite electromagnetic simulations to provide high-resolution spatial measurements for future colliders. This model, operating at 1.630 GHz, offers improved theoretical performance compared to previous prototypes by increasing the normalized shunt impedance (R/Q) and the loaded quality factor (Q_L), which...
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Giusy Valeria Passarelli (European Organization for Nuclear Research)31/08/2026, 16:20
This paper presents the design of a novel semi-coaxial stripline pickup for wide-band beam diagnostics. Four electrodes inside the beam pipe form a quasi-coaxial transmission line that improves electromagnetic field control and provides a smooth impedance transition, mitigating the bandwidth limitations and impedance discontinuities typical of conventional stripline pickups. Electromagnetic...
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Peter Friedman (Integrated Sensors, LLC)31/08/2026, 16:40
We have developed a beam monitoring diagnostic system based on two different proprietary thin-scintillator materials and ultra-fast optics for measurement of transverse beam size, beam profile and particle flux density in “real-time” with a wide dynamic range of approximately seven (7) orders-of-magnitude down to single-ions. It has attracted particular attention at facilities where fast beam...
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Benoit Truc (Swiss Center for Electronics and Microtechnology (Switzerland))31/08/2026, 16:40
This work presents a modular light-based detector platform for beam monitoring in conventional and FLASH particle radiotherapy. The system addresses limitations of current beam profilers, which often lack versatility across radiation types, dose rates, field sizes, and spatial-resolution needs. The detector is based on scintillating-fiber arrays coupled to photodiode readout electronics,...
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Robert Larsen (European Organization for Nuclear Research)31/08/2026, 16:40
Part of the current effort to upgrade the intensity of CERN beamlines in the North Experimental Area is examining technologies for their potential use in a radiation hard transverse beam profile monitors. One such technique is to use a straw detector, potentially operated at a voltage where charge amplification does not occur. We show results from an experiment with a 5 mm diameter thin walled...
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Rok Hrovatin (Cosylab)31/08/2026, 16:40
A control and acquisition system for ionization profile monitor (IPM) stations at GSI/FAIR has been implemented and deployed, providing real-time, simultaneous transverse beam characterization in both planes without disturbing the beam. Built on FESA (Front-End Software Architecture), the system uses dedicated classes to manage the cameras, high-voltage control, and digital I/O. Each...
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Mukesh Dhakarwal (IFMIF/EVEDA Integrated Project Team, VERSE)31/08/2026, 16:40
Following the successful commissioning of a 5 MeV high-current deuteron beam in June 2024, the Linear IFMIF Prototype Accelerator (LIPAc) is entering a new operational phase with the integration of the superconducting RF (SRF) linac, targeting first 125 mA deuteron beam acceleration up to 9 MeV and to continuous wave from early 2027. This contribution presents the beam diagnostic strategy...
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Suresh Saminathan (TRIUMF)31/08/2026, 16:40
The Ion Source and Injection System transports 300 kV negative hydrogen ions from the ion source to the cyclotron injection point. While the vertical section was upgraded in 2011, recent work focused on the horizontal section, featuring new optics, advanced beam diagnostics, µ-metal shielding, enhanced vacuum systems, updated power supplies, and modernized control infrastructure. A new ion...
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Fusashi Miyahara (High Energy Accelerator Research Organization)31/08/2026, 16:40
The KEK e⁻/e⁺ linac supplies, in pulse-by-pulse basis, electron beams to the SuperKEKB HER, PF, and PF-AR, and positron beams to the SuperKEKB LER. Injection into the SuperKEKB HER and LER requires highly stabilized low-emittance beams with high intensity. During beam operation, beam quality is improved and stability is maintained using approximately 160 Beam Position Monitors (BPMs), which...
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Wei Liu (Lawrence Berkeley National Laboratory)31/08/2026, 16:40
BeamNetUS is a collaborative user network of twelve beam test facilities spanning six U.S. Department of Energy national laboratories, dedicated to advancing particle accelerator research, technology development, and applications. Through an annual open call for proposals, BeamNetUS invites exploratory research aimed at seeding new collaborations and fostering innovation across the accelerator...
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Ubaldo Iriso (ALBA Synchrotron (Spain))31/08/2026, 16:40
Electron beam size measurements using the Heterodyne Near Field Speckles (HNFS) technique were successfully tested at the ALBA beamline "NCD-SWEET". Inside the FCC collaboration, a dedicated setup was installed at ALBA Front End 21 (FE21), including a high energy (~23keV) and large bandwidth (~1.5%) multilayer monochromator to optimize the speckle pattern.
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An x-ray pinhole camera is... -
Leonie Bauer (Goethe University Frankfurt)31/08/2026, 16:40
The Frankfurt Neutron Source (FRANZ) at the Institute of Applied Physics (IAP), Goethe University Frankfurt, is currently preparing for high-intensity proton beam operation up to 2 MeV. To support reliable transverse and longitudinal beam characterization downstream of the coupled RFQ–IH-DTL structure, a compact and versatile beam diagnostics section has been developed. For transverse profile...
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Hirokazu Maesaka (RIKEN SPring-8 Center, Japan Synchrotron Radiation Research Institute)31/08/2026, 16:40
We are constructing the beam diagnostic system for SPring-8-II, a low-emittance upgrade of the SPring-8 synchrotron radiation facility. To achieve higher brilliance and coherence, SPring-8-II requires stringent beam stability, necessitating high-precision monitoring of parameters such as the beam orbit, stored current, beam size, and betatron tune. Transverse and longitudinal bunch-by-bunch...
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Lukas Golino (European Organization for Nuclear Research)31/08/2026, 16:40
A Beam Gas Ionization (BGI) profile monitor has been installed in the CERN Super Proton Synchrotron (SPS) incorporating a newly designed perforated RF shield to suppress wakefield effects induced by high-frequency multibunch beams found in the SPS. While the shield effectively protects the detector from EMI effects, its aperture pattern introduces a spatial masking of the collected ionization...
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Mariusz Sapinski (Paul Scherrer Institute)31/08/2026, 16:40
A new current measurement module, SoM-CAM, is being deployed to replace CAMAC-based systems that have been in operation for more than 30 years in most of HIPA instrumentation electronics. Multiple tests have been performed to assess the readiness and reliability of the new module, with particular emphasis on safety-critical applications such as beam loss monitors. The enhanced capabilities of...
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Martin Alcorta Moreno (TRIUMF)31/08/2026, 16:40
The Advanced Rare IsotopE Laboratory (ARIEL) presents a unique challenge for beam loss monitoring due to the simultaneous operation of two closely spaced driver beamlines. ARIEL consists of a 500 MeV proton beamline and a 30 MeV electron beamline that are separated by only 1 m in certain sections, requiring reliable discrimination of beam losses originating from each beamline. Accurate...
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Woojin Song (Pohang Accelerator Laboratory)31/08/2026, 16:40
As the power density of photon beams increases in low emittance storage rings, robust and non-destructive diagnostic tools are required to replace conventional invasive monitors. Although existing Ionization Profile Monitors have demonstrated sufficient resolution for position measurement, the spatial resolution required for accurate profile reconstruction has rarely been analyzed in relation...
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Igor Pinayev (Brookhaven National Laboratory)31/08/2026, 16:40
The Electron-Ion Collider is being built at Brookhaven National Laboratory. High resolution imaging systems are required to provide robust measurements of beam emittance and energy spread. Two pinhole cameras will be installed on the electron storage ring. Radiation will be extracted from the high and low dispersion regions. One of the beamlines will be used for the visible light diagnostics...
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Porntip Sudmuang (Synchrotron Light Research Institute)31/08/2026, 16:40
A visible–ultraviolet (Vis–UV) diagnostic beamline is being developed for Siam Photon Source II (SPS-II) to enable precise transverse electron beam size measurements. The vertical (π) polarization technique using the dipole radiation has been selected to enable vertical beam size measurements below 10 µm. Given the limited space available in the double-triple bend achromat (DTBA) lattice, a...
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Renjun Yang (Institute of High Energy Physics)31/08/2026, 16:40
The CSNS will refurbish the ion source, RFQ and MEBT sections this year, among which a new compact emittance meter at the MEBT is required. This emittance meter will be intergated with beam scraptor and wire scanner owing to the compact design of the CSNS MEBT section. This emittance meter consists slit in blades made of tungsten, and four SEM wires to visualize the beamlet profile. In this...
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Marco Veronese (Elettra-Sincrotrone Trieste S.C.p.A.)31/08/2026, 16:40
This paper reports on the design of the x-ray diagnostic beamline (XDBL1) dedicated to the emittance measurement of Elettra 2.0 storage ring. Elettra 2.0 is the Italian 4th generation diffraction limited storage ring (DLSR) light source currently under construction at the Elettra - Sincrotrone Trieste laboratory. It is designed to operate at 2.4 GeV, 400 mA and beam emittance of 212 pmrad. To...
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Moses Chung (Pohang University of Science and Technology)31/08/2026, 16:40
Cherenkov diffraction radiation (ChDR) has been widely studied for non-invasive transverse diagnostics of relativistic charged particle beams. In this work, we present a design study of a ChDR-based beam profile monitor for the beam transport line of the Pohang Light Source-II(PLS-II) injector at Pohang Accelerator Laboratory (PAL). In the beam transport line, especially at injector section,...
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Justus Braach (European Organization for Nuclear Research)31/08/2026, 16:40
The BIPXL telescope is a high-precision tracking system developed at CERN for the characterization of bent silicon crystals in secondary particle beams. The system measures channeling efficiency, track deflection and crystal alignment. It consists of two 10 m tracking arms equipped with up to six hybrid pixel detector (HPD) planes, scintillator-photomultiplier tube (PMT) trigger stations,...
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Domonkos Czeman (HUN-REN Centre for Energy Research)31/08/2026, 16:40
An electron cyclotron resonance microwave H+ ion source featuring low normalized beam emittance (<1 π mm mrad) and up to 20mA at 35keV beam energy has been developed at the HUN-REN Centre for Energy Research in Budapest, Hungary. The beam can be operated in a continuous or pulsed way that is adjustable in duration (0.1-10ms) and frequency (0.01-40Hz) at 35keV. A novel optical diagnostic system...
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Hussein Al-Mohammad (Synchrotron-Light for Experimental Science and Applications in the Middle East)31/08/2026, 16:40
An In-Air X-ray Detector (IAXD) was designed and installed at the SESAME storage ring (SR) dipole exit in order to use the photon X-ray part coming out of the dipole photon absorber. The IAXD uses a scintillator placed directly downstream the absorber, converting transmitted X-rays into visible light. Two types of scintillation screens, CdWO₄ and GOS:Tb, were used and compared over a range of...
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Heather Andrews (Los Alamos National Laboratory), Martin Kay (Los Alamos National Laboratory)31/08/2026, 16:40
At present the Los Alamos Neutron Science Center (LANSCE) beam line has transverse beam shape diagnostics consisting only of physical wire scanners and emittance stations. Knowledge of the transverse beam shape is critical to tuning the beam through the accelerator and for beam monitoring during regular operations. However, the existing diagnostics can only be used at low beam power; at full...
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Sun An (Nanjing University)31/08/2026, 16:40
Feedthroughs are widely used for different charged-particle accelerators. Those feedthroughs are used to transfer the RF signals, the DC or AC low level signal, the high-current, and the high-power. In order to complete these purposes, different feedthroughs have been developed and have already been used for different accelerators in China. This report introduces the development of the...
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Martin Kay (Los Alamos National Laboratory)31/08/2026, 16:40
A laser-based diagnostic system for measuring H‒ beam distributions along five phase space dimensions is being developed at the Los Alamos Neutron Science Center (LANSCE). An initial prototype in the LANSCE accelerator front-end has been used to measure the transverse spatial profile of the H‒ beam at 750 keV. This paper outlines the system design, discusses constraints and sensitivities, and...
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Yimei Zhou (Shanghai Advanced Research Institute)31/08/2026, 16:40
For next generation storage rings and free electron lasers, which demand ultra low emittance and exceptional beam stability, precise and fast transverse beam size monitoring has become increasingly critical. Conventional imaging based methods are often limited by camera frame rates and photon flux, making it difficult to achieve bunch by bunch resolution under low photon conditions. To address...
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Siriwan Jummunt (Synchrotron Light Research Institute)31/08/2026, 16:40
The beam scraper system for the Siam Photon Source II (SPS-II) storage ring is under development to provide reliable beam halo control and protection of insertion devices. Following the completion of the horizontal scraper, current efforts are dedicated to the vertical scraper, where the large blade width and restricted vertical aperture introduce significant RF and impedance challenges....
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Christopher Hall (RadiaSoft (United States))31/08/2026, 16:40
Ion profile monitors (IPMs) are important non-destructive diagnostics for transverse profile measurement, but space-charge forces and other effects can distort the ion distribution, biasing inferred beam size and emittance. We are developing a simulation- and ML–based framework to improve the accuracy and reliability of IPM measurements in the Alternating Gradient Synchrotron (AGS) at...
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Marvin Noll (Karlsruhe Institute of Technology)31/08/2026, 16:40
At the Karlsruhe Research Accelerator (KARA), electron beams of up to 200 mA are stored with an energy of 2.5 GeV, while injection is performed at 500 MeV.
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At a five degree port of a bending magnet, a double slit Interferometer setup is used to measure the transversal beam size. In oder to digitize the interferogram in the visible spectrum, previously a CMOS camera has been used, which yields... -
Randy Thurman-Keup (Fermi National Accelerator Laboratory)31/08/2026, 16:40
Ionization profile monitors (IPM) are used in many accelerator laboratories around the world for non-destructive profile measurements of high-energy particle beams. They have been used in nearly all the synchrotrons built at Fermilab and are presently used in the Main Injector (MI), Recycler (RR), and Booster. This paper will present the current status of the design of a new pair of IPMs to...
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Tiago Fernandes de Nóbrega (Royal Holloway University of London)31/08/2026, 16:40
The laserwire is a non-destructive, commensal beam profile monitor and a highly viable, minimally invasive diagnostic already implemented at several accelerator facilities, with advantages for future collider applications. Here, a short-pulse, laserwire-based method is proposed to upgrade the laser system for the 160 MeV negative hydrogen ion beam of the LINAC4 at CERN. The improved system can...
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András Zsákai (HUN-REN Centre for Energy Research)31/08/2026, 16:40
An ECR microwave H+ source has been built at the HUN-REN EK-CER that targets medium current (20mA) and 35 keV beam energy in continuous or pulsed mode (0.1-10ms @ 0.01-40Hz) and low normalized beam emittance (< 1 π mm.mrad).
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A supersonic gas jet-based diagnostic system called LUCID is being developed at EK-CER that can provide a non-invasive beam profile measurement * and allows a novel way... -
Belen Salvachua (European Organization for Nuclear Research)31/08/2026, 16:40
The Beam Loss Monitoring (BLM) system of the Large Hadron Collider (LHC) at CERN has the main functionality to actively protect the LHC superconductive magnets against quenches due to energy depositions from beam-induced losses and prevent damage of other sensitive equipment. For this reason, the LHC is presently equipped with more than 3500 ionization chambers 0.5 m-long distributed along the...
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Leonie Bauer (Goethe University Frankfurt)31/08/2026, 16:40
Multipacting, driven by resonant secondary electron emission, is a critical phenomenon during the conditioning of RF cavities. To investigate and characterize this effect, novel and low-cost optical diagnostic methods utilizing single-board CMOS cameras (Raspberry Pi cameras) have been developed at IAP Frankfurt. Building on their successful application in ion beam characterization, these...
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Renjun Yang (Institute of High Energy Physics), Yuliang Xiao (Institute of High Energy Physics)31/08/2026, 16:40
Non-destructive beam profile monitoring is critical for high-intensity proton accelerators like the CSNS Rapid Cycling Synchrotron (RCS). While the Ionization Profile Monitor (IPM) typically reconstructs beam profiles by collecting ionization electrons from residual gas, a key challenge arises from positive ions drifting toward the field cage. Their impacts generate secondary electrons that...
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Victor Scarpine (Fermi National Accelerator Laboratory)31/08/2026, 16:40
As part of the new Proton Improvement Plan (PIP-II), Fermilab is undertaking the development of a new 800 MeV, 2 mA H- superconducting RF linac to replace its present normal conducting 400 MeV linac. The PIP-II linac consists of a series of superconducting RF cryomodules from 2.1 MeV to 800 MeV, with instrumentation warm units between cryomodules. Commissioning of this new accelerator will...
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Jongchul Lee (Korea Atomic Energy Research Institute), Donghyun Kwak (Korea Atomic Energy Research Institute)31/08/2026, 16:40
Four beam lines are currently in operation at the RFT-30 cyclotron. As the demand for various radioisotopes continues to grow, we focused on proton irradiation stability to improve the production yield. The beam behavior along the transport line was investigated so that the irradiation area could be matched to the geometry of the target. For this purpose, the beam trajectory was first aligned...
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Zack Watkins (D-Pace Inc.)31/08/2026, 16:40
The D-Pace ES-4 is an Allison-type emittance scanner used for transverse phase-space measurements in low-energy beam transport systems. Standard picoammeter-based acquisition is suitable for DC beam but is not well suited to short pulsed beams. A pulsed measurement system has therefore been developed around a custom charge integrator and synchronized controller architecture. The charge...
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Michael Bree (Canadian Light Source (Canada))31/08/2026, 16:40
The Canadian Light Source (CLS) is a 3rd generation synchrotron commissioned in 2005. In the years since, technology has advanced dramatically, facilitating new options for instrumentation tools. The CLS has begun replacing expensive commercial BeamGage cameras running proprietary software with inexpensive highly capable Machine Vision (MV) cameras. This paper describes the use of open source...
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Sang-Pil Yun (Korea Multi-purpose Accelerator Complex)31/08/2026, 16:40
Scintillating screens equipped with optical cameras are widely used in accelerator facilities for transverse beam profile monitoring, as this method is simple and precise compared to other beam diagnostics. However, the image sensor is sensitive to secondary radiation induced by the interaction between the particle beam and the scintillation screen. Radiation damage degrades the performance of...
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Anna Sofija Salosteja (ISIS Neutron and Muon Source)31/08/2026, 16:40
The ISIS Neutron and Muon Source at the Rutherford Appleton Laboratory, UK, uses a rapid cycling synchrotron to accelerate a beam of protons from 70 MeV to 800 MeV before delivering the beam to two spallation targets. Within the ring of the ISIS synchrotron, beam losses tend to be higher near the extracted proton beamlines due to the activity of the kicker magnets in the area. The ionising...
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Yunzhi Xiao (School of Nuclear Science and Technology, University of Science and Technology of China)31/08/2026, 16:40
To monitor and analyze the beam loss characteristics during the operation of the Hefei Light Source II (HLS-II), a synchronous bunch-by-bunch measurement system for beam loss and three-dimensional beam position has been developed based on a scintillator detector, a stripline beam position monitor, a high-speed oscilloscope, and the HOTCAP technique. However, the scintillator detector is...
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Mengyu Liu (Chinese Academy of Sciences)31/08/2026, 16:40
The China Spallation Neutron Source (CSNS) is a high-power proton accelerator facility for neutron scattering research. The Rapid Cycling Synchrotron (RCS) is equipped with an Ionization Profile Monitor (IPM) for non-destructive measurement of the transverse beam profile. Following the CSNS-II upgrade, the injection beam current will increase to 40 mA, making space-charge-induced distortion a...
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Raymond Veness (European Organization for Nuclear Research)31/08/2026, 16:40
This contribution presents an overview of the new beam instrumentation being developed and produced for the ongoing LHC luminosity upgrade. There are 7 different packages planned for LHC operations from 2030, ranging from large distributed systems for beam position and beam loss to new dedicated instruments for transverse profile, beam halo, luminosity and beam crabbing monitoring. The...
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Mario Valles Montenegro (Nevada National Security Site)31/08/2026, 16:40
The precision of the Stretched Wire Alignment Technique for determining the magnetic center of the Scorpius Accelerator Cell solenoids in reference to their geometrical axes is critically impacted by the selection of various experimental parameters. This work presents an experimental optimization of key SWAT parameters to minimize measurement errors using the Entry Transport Region-prototype...
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Kotaro Nishi (The University of Tokyo)31/08/2026, 16:40
High-precision mass spectroscopy of $\Lambda$-hypernuclei is currently underway at the Thomas Jefferson National Accelerator Facility (JLab). To achieve the world's highest mass resolution of $500\text{ keV}$ (FWHM), minimizing the energy spread of the $2.2\text{ GeV}$ incident electron beam is crucial. As a method for simultaneous and continuous monitoring of this energy spread, we have...
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Michał Fałowski (Jagiellonian University, SOLARIS National Synchrotron Radiation Centre)31/08/2026, 16:40
This contribution describes the preparation and integration of a test RF laboratory dedicated to synchrotron accelerator systems. The laboratory supports testing and validation of an RF chain composed of a Low-Level RF (LLRF) system, an RF resonant cavity, and an RF transmitter supplying power to the cavity. While the synchrotron is already in operation, the laboratory is being developed as an...
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Mariusz Sapinski (Paul Scherrer Institute)31/08/2026, 16:40
The Oscillating Arm Wire Monitor (OAWM) is a new type of wire scanner designed to operate at maximum speeds exceeding 4 m/s, which are required to perform scans of high-intensity beams. This paper summarizes the comprehensive tests and measurements carried out on the OAWM, focusing on both its operational endurance and its underlying mechanical dynamics. We report on extensive endurance tests,...
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Federico Roncarolo (European Organization for Nuclear Research)31/08/2026, 16:40
The completion of LHC Run 3 marks a natural milestone to assess the state of the art in beam diagnostics across the CERN accelerator complex and to define the instrumentation developments ahead. This contribution presents an updated R&D roadmap for the CERN Beam Instrumentation Group, built from a concise review of the current diagnostics, known operational limitations requiring upgrade or...
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Igor Pinayev (Brookhaven National Laboratory)31/08/2026, 16:40
The pinhole cameras are used for the electron beam diagnostics with X-ray imaging. We propose to utilize the triangle shaped pinhole formed with three blades. Such design simplifies the aperture control with motion of a single blade. We present the simulations results as well as tests of a prototype with visible light.
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Hitomi Ikeda (High Energy Accelerator Research Organization)31/08/2026, 16:40
We report on the latest measurement results from the visible light synchrotron radiation monitor (SRM) during high current operation at SuperKEKB. Beam measurements covering both steady state conditions and rapid transient phenomena—specifically "final-turn" measurements—revealed an increase in vertical beam size immediately before the beam was aborted during sudden beam loss (SBL) events....
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Michele Carlà (ALBA Synchrotron (Spain))01/09/2026, 09:00MC06: Feedback Systems and Beam StabilityInvited Oral Presentation
Short Touschek lifetime is a critical aspect of low emittance electron storage rings. To ensure an acceptable lifetime, many new machine designs rely on some kind of blowup of the vertical emittance. In view of the upgrade of the ALBA storage ring, it was decided to explore the possibility to use betatron coupling to increase the vertical emittance. To avoid the constrain of operating onto the...
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Markus Hoffmann (Deutsches Elektronen-Synchrotron DESY)01/09/2026, 09:30MC06: Feedback Systems and Beam StabilityInvited Oral Presentation
The stability of modern accelerator facilities depends on precise monitoring of environmental vibrations and ground motion, which can affect beam orbit, arrival time stability, and beam instrumentation. Distributed Acoustic Sensing (DAS) transforms standard optical fibers into dense arrays of strain sensors, providing high spatial and temporal resolution over tens of kilometers.
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At DESY, a... -
Qian Wang (University of Science and Technology of China)01/09/2026, 10:00MC06: Feedback Systems and Beam StabilityContributed Oral Presentation
For the requirements of RF phase stability in linear accelerators, especially in high-repetition-rate FELs, phase feedback techniques are important. Compared with direct RF field measurements, methods based on beam energy spread measurements can reflect the impact of RF perturbations on beam quality and are more suitable for feedback. Conventional screen-based destructive measurements are not...
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Sergey Tomin (Deutsches Elektronen-Synchrotron DESY)01/09/2026, 10:50MC05: Longitudinal Diagnostics and SynchronizationInvited Oral Presentation
Longitudinal phase-space (LPS) diagnostics of high-energy electron beams are essential for the operation, optimization, and physics studies of free-electron lasers. At the European XFEL, a single-plate corrugated structure has been installed downstream of the SASE2 undulator to measure the LPS of the electron beam. When the beam passes in close proximity to the plate’s corrugations, wakefields...
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Boris Keil (Paul Scherrer Institute)01/09/2026, 11:40MC06: Feedback Systems and Beam StabilityContributed Oral Presentation
Traditional longitudinal bunch‑by‑bunch feedback systems use analog mixers to down‑convert GHz‑range RF signals to baseband, where the mixer output is approximately proportional to the bunch charge and the deviation from the nominal arrival time. We present an alternative approach that determines the beam arrival time through time‑domain processing of directly sampled BPM signals on an RFSoC....
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Ana Guisao-Betancur (University of Liverpool, Cockcroft Institute)01/09/2026, 13:30MC05: Longitudinal Diagnostics and SynchronizationInvited Oral Presentation
Ultrashort bunch length and longitudinal beam profile measurements are essential for characterizing electron beams in short-pulse accelerators, including free-electron laser facilities and novel accelerator concepts such as EuPRAXIA. A single-shot longitudinal diagnostics approach based on broadband spatial imaging of coherent transition radiation (CTR) in the THz region, combined with...
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Hui Wen Koay (TRIUMF)01/09/2026, 14:00MC01: Beam Charge and Current MonitorsContributed Oral Presentation
An AC current transformer (ACCT) is among the most robust non‑interceptive diagnostic tools for real‑time beam monitoring during beam delivery. At TRIUMF, ACCTs are installed in major beamlines, enabling continuous measurements of beam intensity without disrupting beam transport. This work evaluates the performance and operational characteristics of ACCTs used on the facility’s primary...
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Ryan Kim (Fermi National Accelerator Laboratory)01/09/2026, 14:20MC01: Beam Charge and Current MonitorsContributed Oral Presentation
We report on a new radiation-hard beam current monitor system based on work originally done to develop timing planes for future collider detectors. In contrast to sensors based on wall currents or toroid inductance, we make use of electric field induced by the electromagnetic vector potential of the beam current as it passes near or through a transmission line (TL), arranged with its dominant...
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Wei Liu (Accelerator Technology and Applied Physics Division, Lawrence Berkeley National Laboratory)01/09/2026, 15:10MC05: Longitudinal Diagnostics and SynchronizationInvited Oral Presentation
Ultrafast electron diffraction (UED) is a powerful tool for probing transient structural dynamics, however, its temporal resolution is fundamentally limited by laser-electron beam time of arrival jitter. To address the need for sub-10 femtosecond precision, we utilized a 4.76 GHz two-cell cavity-based Beam Arrival Monitor (BAM) designed to achieve high sensitivity at extremely low bunch...
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Paarangat Pushkarna (The University of Melbourne)01/09/2026, 15:40MC05: Longitudinal Diagnostics and SynchronizationContributed Oral Presentation
To measure longitudinal profiles at picosecond resolution, optical diagnostics using Cherenkov Radiation (ChR) must generate light with sufficient intensity, ensuring propagation to a detector with minimum dispersion and attenuation. Existing radiators (ChR generation media) exhibit a trade-off between ChR intensity and dispersion, with larger radiators creating higher ChR intensity at the...
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Jiuqing Wang (Institute of High Energy Physics)01/09/2026, 16:20
BEPCII, the upgrade project of the Beijing electron positron collider, is operated not only as a collider for high energy physics research but also as a synchrotron radiation source. Orbit stability is critical for high performance operation. In recent years, an orbit feedback method leveraging neural network was studied and tested on BEPCII, demonstrating improvements in orbit stability....
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Sergey Kuzikov (Thomas Jefferson National Accelerator Facility)01/09/2026, 16:20
We propose an AI-driven control architecture that sustains resonance among magnetrons and SRF cavi-ties, enabling efficient accelerator operation. Injection locking will be achieved by extracting pick-up signals from normal-conducting cavities integrated into a beamline with the main SRF cavities. A bunched elec-tron beam behind injector section will excite these resonators to deliver...
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Heather Andrews (Los Alamos National Laboratory)01/09/2026, 16:20
For high power ion accelerators such as the machine at the heart of the Los Alamos Neutron Science Center (LANSCE), beam “tails” and “halo” can pose significant problems. Such small fractions of the beam current are easy to lose and difficult to measure, yet can contain enough charge to generate significant radiation; thus, halo and tails can pose a direct threat to instrumentation through...
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Hussein Al-Mohammad (Synchrotron-Light for Experimental Science and Applications in the Middle East)01/09/2026, 16:20
Since becoming a user facility in 2017, SESAME has employed a Slow Orbit Feedback (SOFB) system, implemented in MATLAB, to stabilize the global orbit of the storage ring at a low correction rate of 0.2 Hz. However, achieving improved synchrotron performance requires sub-micron beam orbit stability across a broader frequency range, extending up to 100 Hz. To address this, the SOFB system has...
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Laura Torino (ALBA Synchrotron (Spain))01/09/2026, 16:20
The ALBA Synchrotron is preparing its upgrade to ALBA II, requiring reliable diagnostics of longitudinal beam properties. Bunch length measurements are currently performed using a streak camera, providing a precise determination of the bunch profile. In addition, a new method has been implemented to deliver complementary and more readily available measurements during routine operation. The...
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Jangwon Kwon (Institute for Basic Science)01/09/2026, 16:20
RAON is a heavy-ion accelerator facility that delivers beams with various energies to experimental areas. To measure bunch lengths shorter than 1 ns, a 50 Ω-matched stripline fast Faraday cup (FFC) was developed. The FFC signal was amplified using a 4 GHz broadband amplifier with a gain of 42 dB and measured with an oscilloscope having a sampling rate of 25 GS/s and a bandwidth of 4 GHz. The...
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Makoto Tobiyama (High Energy Accelerator Research Organization)01/09/2026, 16:20
At the SuperKEKB collider, many challenging phenomena arise from the high current and narrow bunch spacing. In particular, there are urgent issues that require clarification and resolution, such as the sudden beam loss (SBL) phenomenon, in which the beam suffers significant loss within the first one or two circuits, and the betatron tune shift along the bunch train due to wake fields. Using...
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Yun Liu (Oak Ridge National Laboratory)01/09/2026, 16:20
Particle beams in accelerators exhibit temporal structures from picoseconds to milliseconds, reflecting processes of generation, capture, acceleration, and stabilization. At the SNS linac, the H⁻ beam displays a hierarchical time structure governed by RF phase stability, beam chopping, and pulsed operation. Bunch-resolved measurements enable detailed studies of transient beam dynamics and...
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Chloe Mertin (Canadian Light Source (Canada))01/09/2026, 16:20
In 2025, the Canadian Light Source (CLS) began replacing traditional oscilloscopes with PicoScope 6000E series oscilloscopes. These headless oscilloscopes have been integrated into EPICS to support signal visualization and automated analysis. We present an EPICS-based signal processing system that is being used in the CLS LINAC and the LINAC to Booster (LTB) transfer lines to monitor a variety...
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Atharva Kulkarni (Particle Beam Physics Lab (PBPL))01/09/2026, 16:20
Characterizing bunches non-destructively is extremely useful in a variety of accelerator use cases. In single-event effects testing with pulsed electrons, the bunch charge (~1-10 fC) needs to be measured precisely so that the microelectronic device response can be well correlated with the delivered dose. Cavity-based beam monitors, based on wake field excitation from the beam, offer a highly...
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Jack McGunigal (University of Manchester)01/09/2026, 16:20
A non-invasive bunch length monitor based on Cherenkov diffraction radiation (ChDR) is being developed for the AWAKE Run 2c 18 MeV seeded electron beam line. The monitor consists of protruding dielectric radiators that generate polarization radiation when an electron bunch passes in close proximity to them. Coherent ChDR emitted from the radiators is measured by zero-bias Schottky detectors...
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Muhammad Abdul Rehman (Institute of High Energy Physics)01/09/2026, 16:20
For the CSNS-II upgrade, which targets a beam power of 500 kW by increasing the linac output energy from 80 MeV to 300 MeV and the peak current to 50 mA, the Medium Energy Beam Transport (MEBT) line will undergo a major redesign. The new MEBT features an optimized lattice with enhanced collimation to effectively manage the stronger space charge effects at higher beam intensity. Precise bunch...
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Renjun Yang (Institute of High Energy Physics, Chinese Academy of Sciences)01/09/2026, 16:20
The beam commissioning of the CSNS-II Drift Tube Linac (DTL) requires a beam dump capable of absorbing high-intensity H⁻ beam pulses with energies of 20–80 MeV and an average beam power of up to 200 W at 1 Hz. A major challenge is to mitigate both the severe thermal load on the dump itself and the radiation impact on the downstream superconducting section. To address these issues, a Faraday...
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Xiaoyu Liu (Institute of High Energy Physics)01/09/2026, 16:20
This paper presents a method to improve the shunt impedance of a transverse feedback kicker within a constrained longitudinal space. By modifying the internal geometry of the electrodes to transition from a conventional wideband traveling-wave design to a quasi-resonant configuration, the efficiency of the kicker is enhanced at the expense of operational bandwidth. The proposed design aims to...
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Xiaoyu Liu (Institute of High Energy Physics)01/09/2026, 16:20
In beam-driven plasma wakefield acceleration (PWFA) facilities, highly precise measurement of beam arrival time is crucial, as it is a key physical parameter determining acceleration efficiency and beam quality. Two beam arrival time monitors (BAMs) are installed in the PWFA beamline 2 at the Institute of High Energy Physics (IHEP), each monitor employs a dual cavity design operating in the...
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Longwei Lai (Shanghai Advanced Research Institute)01/09/2026, 16:20
The Materials Science Synchrotron Light Source is a newly proposed accelerator facility, aimed at providing a powerful platform for materials science research. Two kickers are installed in the booster for tune measurement, while another two kickers in the storage ring serve for transverse feedback and tune measurement. All four kickers adopt a stripline‑type structure. This paper presents the...
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Sankalp Shinde (Friedrich Schiller University Jena)01/09/2026, 16:20
The Cryogenic Current Comparator (CCC) is a non-interceptive beam diagnostic device for measuring low-intensity ion beams down to the nanoampere range. This work focuses on developing a compact CCC system for CRYRING@ESR at GSI, where installation space inside the ring is limited. A key constraint is integration close to a correction solenoid and dipole magnet, where magnetic perturbations can...
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Si-Won Jang (Pohang Accelerator Laboratory)01/09/2026, 16:20
Stable top-up operation requires bunch-by-bunch fill-pattern control as well as total beam current regulation. In PLS-II, time-based top-up injection makes it difficult to promptly identify under-filled buckets, over-filled buckets, or abnormal injection shots, which can cause fill-pattern modulation and beamline micro-flux variations.
We developed a bunch-by-bunch current diagnostic IOC...
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liang xu (Institute of High Energy Physics, Chinese Academy of Sciences)01/09/2026, 16:20
This paper presents the design of a parameter-tunable turn-by-turn feedback system, integrating front-end analog and digital signal processing modules onto a single functional board. Tailored for storage rings such as BEPCII and HEPS, the system is capable of filtering the revolution frequency and adjusting the feedback phase within 0.5 ms to generate correction signals. Building upon existing...
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Longwei Lai (Shanghai Advanced Research Institute)01/09/2026, 16:20
A Fast Orbit Feedback (FOFB) system is being developed for the SSRF storage ring to suppress beam orbit disturbances and improve beam stability. The system adopts a distributed architecture based on FPGA and EPICS, integrating beam position monitor (BPM) data acquisition, orbit correction computation, and corrector magnet control within a real-time feedback loop. The feedback algorithm is...
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Toshinori ABE (Japan Synchrotron Radiation Research Institute)01/09/2026, 16:20
Strong suppression of beam instabilities and real-time betatron tune monitoring are crucial for the 4th-generation light source, SPring-8-II. We developed a transverse Bunch-by-Bunch Feedback (TBBF) and a real-time betatron tune monitor based on the AMD RFSoC platform to replace the current legacy systems. Integrating ADCs/DACs, an FPGA, and ARM processors, the RFSoC enables low-latency...
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Thomas Sieber (GSI Helmholtz Centre for Heavy Ion Research)01/09/2026, 16:20
The Cryogenic Current Comparator (CCC) was proposed and first tested as a low intensity diagnostics in the mid 90s at GSI. After proof of principle, the device was considered having high potential but also high costs and difficult handling. Nonetheless, further research work was done to optimize pickup material and operation stability. With start of the plannings for FAIR, the necessity for a...
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Svenja Kolbe (Ernst Abbe University of Applied Sciences Jena)01/09/2026, 16:20
Highly sensitive measurement systems based on Cryogenic Current Comparators (CCCs) and SQUID sensors enable the detection of extremely small currents and weak spill signals. However, the beam signal is often superimposed by mechanical and electrical disturbances, such as the 1.4 Hz interference introduced by the helium reliquefier, making reliable signal extraction challenging.
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This work... -
Micha Reissig (Karlsruhe Institute of Technology)01/09/2026, 16:20
The Ferninfrarot Linac- und Test-Experiment (FLUTE) is a linac-based accelerator test facility at the Karlsruhe Institute of Technology (KIT). It is designed for electron bunches with energies up to 90 MeV over a wide range of bunch charges, tailored to a variety of accelerator studies. Its bunch compressor enables bunch length adjustments and is designed to compress the bunch length towards...
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Spencer Kelham (Northern Illinois University)01/09/2026, 16:20
Electro-optic sampling (EOS) is an attractive technique for non-destructive measurement of electron bunch profiles. Its importance continues to grow for next generation high-energy accelerators, where intercepting diagnostics are no longer viable. In EOS, the measured signal corresponds to the phase retardance, rather than a direct measurement of the electric field. The electro-optic (EO)...
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MingDong Ma (University of Science and Technology of China)01/09/2026, 16:20
Precise characterization of the electron bunch length in storage rings is essential for understanding longitudinal beam dynamics and instabilities. While Time-Correlated Single Photon Counting (TCSPC) is widely used for this purpose, the conventional accumulated temporal profile is often artificially broadened by the longitudinal center-of-mass oscillations of the bunch relative to the RF...
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Micha Reissig (Karlsruhe Institute of Technology)01/09/2026, 16:20
The development of minimally invasive beam diagnostics to characterise Ultra-High Dose Rate (UHDR) beams is essential in the increasingly relevant field of FLASH Radiotherapy. In this work we report on the results of irradiation experiments with the BMA580 Micro-Electro-Mechanical Systems (MEMS) accelerometer sensor at the in-air experimental section of the *Ferninfrarot LINAC- und...
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Oliver Grimm (MAX IV Laboratory)01/09/2026, 16:20
This contribution describes design and results obtained with newly installed longitudinal diagnostics at the MAX IV linear electron accelerator: a Bunch Compression Monitor (BCM) and an Electro-Optical Arrival Time Monitor (EO-BAM). Both are part of a concerted effort to improve longitudinal stability to a level commensurate with the shortest available bunch lengths of about 3 fs. As MAX IV is...
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Daniele Felici (Paul Scherrer Institute)01/09/2026, 16:20
The commissioning of the next-generation Swiss Light Source, SLS 2.0, at the Paul Scherrer Institut (PSI) required advanced diagnostic tools*. Built on established Avalanche Photodiode-based (APD) fill pattern monitoring principles used in previous storage ring diagnostic systems, we present an upgraded Filling Pattern Monitor (FPM) designed specifically for real-time evaluation of the SLS 2.0...
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Boris Keil (Paul Scherrer Institute)01/09/2026, 16:20
The upgraded Swiss Light Source storage ring, SLS 2.0, has employed a newly developed fast orbit feedback (FOFB) system since July 2026. This paper reports on the first year of operational experience and the resulting beam stability. We also detail the FOFB system design — including RF frequency correction and the decoupling of synchrotron oscillation frequencies within the FOFB bandwidth —...
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Tong Liu (Institute of Modern Physics, Chinese Academy of Sciences)01/09/2026, 16:20
Monitoring high-power heavy-ion slow extraction requires instrumentation capable of handling extreme intensity gradients. This paper reports on the design and performance of a beam diagnostic system developed to characterize $^{209}\text{Bi}^{31+}$ beams at $850\text{ MeV/u}$, covering a wide dynamic range from $10^{1}$ to $2 \times 10^{10} \text{ pps}$. To achieve this, a composite detector...
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An Wang (University of Science and Technology of China)01/09/2026, 16:20
To meet the requirements of the Hefei Advanced Light Facility (HALF) for high-speed and high-precision online measurement of beam current and lifetime, this paper presents a measurement system based on an FPGA and dual-ADC architecture. The system employs an FPGA evaluation board with dual FMC interfaces as its core, integrating a high-precision ADC (2 MHz, 24-bit) and a high-speed ADC (1 GHz,...
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Alessandro Curcio (Sapienza University of Rome, Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati)01/09/2026, 16:20
Accurate bunch charge measurement is essential for beam diagnostics in modern accelerators, particularly for ultra-high dose rate (UHDR) and FLASH applications involving short pulse durations. This work presents a comprehensive calibration and performance evaluation of an integrating current transformer (ICT) coupled with a high-speed digitizer for non-intercepting charge measurements.
A...
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Chih-Hsien Huang (National Synchrotron Radiation Research Center)01/09/2026, 16:20
A real-time bunch-by-bunch phase detector has been developed and deployed at the Taiwan Photon Source to monitor and analyze synchronous phase behavior. The detector utilizes an analog demodulation scheme for precise phase extraction. To compensate for hardware imperfections, an ellipse-fitting calibration method is proposed to correct direct current offsets and quadrature phase errors between...
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Hussein Al-Mohammad (Synchrotron-Light for Experimental Science and Applications in the Middle East)01/09/2026, 16:20
Efficient beam injection from the Booster into the Storage Ring is essential for reducing injection time and extending the life time of Microtron’s cathode and auxiliary gun. A range of beam diagnostic instruments including the Parametric Current Transformer (PCT), Fast Current Transformers (FCTs), and Beam Position Monitors (BPMs) have been employed to characterize and monitor the injection...
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Simon Mattiazzi (Instrumentation Technologies (Slovenia))01/09/2026, 16:20
In an electron synchrotron, precise charge data in bunch-by-bunch domain allows real-time monitoring of bunch-selective charge operations and fill patterns. For ESRF, a new software release for Libera Digit 500 instrument was developed to provide high quality averaged bunch-by-bunch charge data without the need of very fast ADCs. The working principle is based on locking the ADC sampling rate...
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Brandon Cathey (Oak Ridge National Laboratory)01/09/2026, 16:20
The Spallation Neutron Source is developing a particle accelerator digital twin called Virac (Virtual Accelerator) for testing control room applications and training personnel and machine-learning models. Currently, Virac consists of PyORBIT, a Particle-in-Cell accelerator model, with model parameters read from and written to an EPICS server. As part of being a true digital twin, Virac maps...
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Dechong Zhu (Institute of High Energy Physics)01/09/2026, 16:20
We propose a machine-learning method to reconstruct longitudinal phase-space parameters of an injected beam from its transient longitudinal motion. An ELEGANT model of HEPS storage-ring injection simulated 500-turn evolution of the longitudinal distribution while scanning arrival-time offset, relative momentum offset, bunch length, and energy spread. A dataset of 72,000 simulated motion images...
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Sinchul Kang (Institute for Basic Science)01/09/2026, 16:20
Rare Isotope Accelerator complex for On-line experiments (RAON) is a heavy-ion accelerator facility designed to provide stable and rare isotope beams in Korea. Nuclear Data Production System (NDPS) is one of the experimental systems at RAON and provides neutron beams for nuclear data measurements and other applications. At NDPS, an Ar-40 ion beam with an energy of about 18 MeV/u is delivered...
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Ryan Allinson (ISIS Neutron and Muon Source)01/09/2026, 16:20
The ISIS Neutron and Muon Source is a particle accelerator located at Rutherford Appleton Laboratory in the UK. Protons are energised to 70MeV through the linear accelerator; before accelerating in the synchrotron to 800MeV with a rep rate of 50Hz. At this energy the neutrons and muons split from the proton for experiments in the target instruments, split across two target stations (TS1 at...
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Jiri Kral (Deutsches Elektronen-Synchrotron DESY)01/09/2026, 16:20
Electro-optical bunch arrival time monitor design at DESY has undergone a wide R&D effort, in order to improve its resolution below 1 fs level. The electronics of the BAM system is responsible for capturing and digitizing the optical pulses that result from laser modulation with the RF signal generated by the passing beam. Development and performance of the new electronics for BAM is presented...
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Daiki Nagao (High Energy Accelerator Research Organization)01/09/2026, 16:20
The J-PARC Main Ring (MR) is being upgraded toward a beam power of 1.3 MW. As the beam intensity increases, higher-frequency intrabunch oscillations are expected to become more pronounced. To suppress these oscillations, the intrabunch feedback (IBFB) system is being upgraded.
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The current IBFB system operates at a sampling rate of approximately 110$~$MS/s synchronized with the circulating... -
Xiaodong Yang (Institute of Modern Physics, Chinese Academy of Sciences)01/09/2026, 16:20
In the cooling storage ring, a low-temperature electron beam from the electron cooling device overlaps with a high-temperature ion beam over a finite interaction length at matched average velocities. Through Coulomb interactions, electrons absorb excess thermal energy from the ions, thereby reducing the transverse emittance and longitudinal momentum spread of the ion beam and increasing its...
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Carlos Sarabia-Cardenas (Facility for Rare Isotope Beams)01/09/2026, 16:20
A magnetic quadrupole pick-up structure has been assessed for creation and future use at The Facility for Rare Isotope Beams (FRIB) at Michigan State University (MSU). This device has been optimized for use in the FRIB beamline. Following the optimizations came changes due to manufacturing constraints. Due to the constraints, three smaller, but still suitable, pick-ups will be used instead....
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Bernhard Scheible (Technische Hochschule Mittelhessen)01/09/2026, 16:20
A novel planar pickup structure on a printed circuit board (PCB) with an integrated combination network has been developed for the electro-optical bunch arrival-time monitors (EO-BAMs) used at the European XFEL and other free-electron laser (FEL) facilities. The design aims for single-digit fs resolution during 1 pC operation in FEL and ultrafast electron diffraction facilities, as well as an...
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Lorraine Bobb (Diamond Light Source)01/09/2026, 16:20
The multibunch (or bunch-by-bunch) feedback (MBF) system at Diamond Light Source requires the bunch phase of the stored beam to be aligned with the kicks delivered by the feedback algorithm, which are modulated onto the fixed master oscillator signal. Changes to this relative bunch phase in the existing machine can occur, for example, when the RF systems are adjusted. The remedial adjustment...
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James FitzGibbon (Science and Technology Facilities Council)01/09/2026, 16:20
The ISIS Neutron and Muon Source at the Rutherford Appleton Laboratory (UK), operated by STFC, is a pulsed spallation facility that employs a rapid‑cycling synchrotron to accelerate protons to 800 MeV before delivering them to two fixed targets at a combined repetition rate of 50 Hz. As part of an ongoing upgrade programme, a Medium Energy Beam Transport (MEBT) line is being installed...
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Heather Andrews (Los Alamos National Laboratory)01/09/2026, 16:20
The Neutralization Beam Energy Measurement (NBEM) system at the Los Alamos Neutron Science Center (LANSCE) marks a significant step forward in precisely measuring proton beam energy, which is critical for a variety of accelerator-based research applications. This technology outperforms existing approaches such as time-of-flight and spectrometer calibration, which are prone to low precision and...
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Bernhard Scheible (Technische Hochschule Mittelhessen)01/09/2026, 16:20
Free‑electron lasers rely on extremely high‑quality, ultrafast electron bunches. Among various diagnostic tools, THz detectors play an essential role in longitudinal diagnostics of electron bunches, such as during the bunch compression process. To address both the existing and future machines, we are developing ultra-broadband THz detectors. Here, we present the work carried out during the PhD...
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Qiyuan Xu (University of Liverpool, European Organization for Nuclear Research, Cockcroft Institute)02/09/2026, 09:00MC07: Data Acquisition and Processing PlatformsInvited Oral Presentation
Transverse beam profile monitoring in high-radiation areas is challenging due to camera degradation. A proposed solution employs a multimode fiber (MMF) to relay optical signals from the radiation zone to a shielded area, where a standard CMOS camera can operate safely. However, MMF transmission introduces significant distortions, producing complex speckle patterns at the output. This...
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Tobias Habermann (Fulda University of Applied Sciences)02/09/2026, 09:30MC07: Data Acquisition and Processing PlatformsInvited Oral Presentation
Neural networks (NNs) are commonly implemented on CPU or GPU, which often struggle to meet the strict latency and throughput demands of real-time data processing.
FPGAs offer an alternative: deterministic, low-latency inference directly in the data path.
We present the opportunities FPGA-based NNs offer, how to implement NNs on FPGAs, and how to identify possible use cases.As our case...
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Jüri Jõul (European Organization for Nuclear Research)02/09/2026, 10:00MC07: Data Acquisition and Processing PlatformsContributed Oral Presentation
The Beam Gas Ionization (BGI) transverse beam profile monitor is a critical diagnostic instrument for the CERN PS and SPS, essential for achieving optimal beam quality and operational efficiency of the accelerator complex. To address new requirements in throughput, reliability, and long-term maintainability, its hybrid pixel detector readout system has been redesigned from the ground up. Based...
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Timmy Lensch (Deutsches Elektronen-Synchrotron DESY)02/09/2026, 10:50MC02: Beam Loss Monitors and Machine ProtectionInvited Oral Presentation
The PETRA IV project at DESY (Hamburg, Germany) aims to upgrade the PETRA III synchrotron into an ultra-low-emittance light source. Both electron and photon beams can cause damage to accelerator components. The Machine Protection System (MPS) is a critical element of the accelerator’s safety infrastructure, designed to prevent beam-induced damage. It aggregates information from multiple...
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peng zhu (University of Science and Technology of China, National Synchrotron Radiation Laboratory, USTC, China Spallation Neutron Source, Institute of High Energy Physics, Chinese Academy of Sciences)02/09/2026, 11:40MC07: Data Acquisition and Processing PlatformsContributed Oral Presentation
The Phase-II upgrade of the China Spallation Neutron Source (CSNS-II) introduces a superconducting linear section, which imposes stringent machine protection requirements by necessitating a total system response time of less than 10 μs. This paper presents a high-throughput, ultra-low-latency data acquisition and processing platform specifically engineered for real-time beam status monitoring...
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Cigdem Ozkan Loch (Paul Scherrer Institute)02/09/2026, 13:30MC02: Beam Loss Monitors and Machine ProtectionInvited Oral Presentation
Three types of Beam Loss Monitors (BLMs) have been installed at the Swiss Light Source (SLS 2.0) for both commissioning and routine user operations: Libera BLMs for fast loss detection, RadFETs for dose distribution, and the novel CMOS-based BLM system that has been developed and integrated into the facility's operations. This presentation details the applications of these monitors (eg,...
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John Dusatko (SLAC National Accelerator Laboratory)02/09/2026, 14:00MC02: Beam Loss Monitors and Machine ProtectionContributed Oral Presentation
The Linac Coherent Light Source II (LCLS-II) is currently undergoing a High Energy (HE) upgrade. This upgrade adds 23 additional cryomodules to the LCLS-II Linac, increasing its energy from 4GeV to 8GeV; which subsequently increases the hard X-ray source photon energy from 5keV up to 12keV. In the photon experimental beamlines, X-ray beam stoppers, located at the entrance to the experimental...
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Hussein Al-Mohammad (Synchrotron-Light for Experimental Science and Applications in the Middle East)02/09/2026, 14:20
Beam diagnostics play a central role in the commissioning, operation, and performance optimization of synchrotron light sources. Since the start of SESAME’s user operation, a variety of diagnostic systems have been employed to monitor beam properties, evaluate machine performance, and to support the development of advanced control and feedback systems. As operational requirements evolve toward...
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Seongyeol Kim (Pohang Accelerator Laboratory)02/09/2026, 15:10
Comprehensive knowledge of the six-dimensional phase space distribution of particle beams is critical for optimizing accelerator performance. While conventional diagnostics such as transverse deflecting cavities enable detailed characterization, they require dedicated hardware and significant beamline space. Generative phase space reconstruction (GPSR) techniques have emerged as a promising...
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Ryo Kitamura (Japan Proton Accelerator Research Complex)02/09/2026, 15:40MC08: Machine Parameter MeasurementsContributed Oral Presentation
The Feschenko-type bunch shape monitor (BSM) is often utilized to measure the longitudinal bunch profile in the hadron linac. In the Japan Proton Accelerator Research Complex (J-PARC) linac, several BSMs are installed to measure the negative hydrogen (H-) ion beam with a peak current of 50 mA, supplied for the high-intensity user operation. As for the notable features of the J-PARC BSM, the...
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Geonhee Oh (Institute for Basic Science)02/09/2026, 16:00
Beam profile monitoring is essential at every stage of an accelerator beamline, yet deploying dedicated diagnostic systems at each focal plane remains costly and time-consuming. This work demonstrates that a single, standardized software platform, combined with commodity hardware, can provide facility-wide beam profile monitoring with rapid scalability. The platform uses phosphor screens and...
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Jared De Chant (Lawrence Berkeley National Laboratory)02/09/2026, 16:00
At Lawrence Berkeley National Laboratory, ongoing work is underway for the Advanced Light Source Upgrade (ALS-U), whose primary objective is to increase photon beam brightness by two orders of magnitude. Achieving this goal requires the delivery of a high-quality electron beam, along with the development of advanced diagnostics to monitor its properties, including beam size, position, current,...
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Janis DeWitt (Safran Trusted 4D, Inc.)02/09/2026, 16:00
The IFMIF-DONES facility requires high-performance BPM electronics capable of providing accurate beam position and intensity measurements while ensuring seamless integration with the facility-wide control and synchronization infrastructure. The joint venture AVS-BTESA, leading the DONES-VATIAC contract with CDTI*, subcontracted SAFRAN for the development of a new BPM electronics architecture...
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Marvin Noll (Karlsruhe Institute of Technology)02/09/2026, 16:00
This work presents the simulation and conceptual design of an electronic data acquisition system for the characterization of ultra-short pulses generated with high repetition rate. The project is developed within the framework of the cSTART initiative at the Karlsruhe Institute of Technology (KIT) and will be evaluated at the KArlsruhe Research Accelerator (KARA).
The primary focus of this...
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Lee Flader (Brookhaven National Laboratory)02/09/2026, 16:00
Button style beam position monitors (BPMs) will be used in all the beam lines of the future Electron Ion Collider (EIC). BPM buttons will be procured from multiple contractors, tested, and compared in a selection process to choose the best contractor and design. A validation strategy is required to ensure acceptable performance and quality control. While the designs of the pickups vary between...
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Chih-Hsien Huang (National Synchrotron Radiation Research Center)02/09/2026, 16:00
A high-precision, bunch-by-bunch (BbB) synchrotron phase detection system has been developed and successfully commissioned at the Taiwan Photon Source (TPS). Designed to characterize complex beam dynamics and longitudinal filling patterns, the system operates across both the booster and storage rings. By leveraging digital in-phase and quadrature (I/Q) demodulation, the architecture...
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Seongyeol Kim (Pohang Accelerator Laboratory)02/09/2026, 16:00
The Generative phase space reconstruction (GPSR) method, based on neural networks and differentiable simulations, has been actively investigated to obtain comprehensive information of 6-dimensional phase space of particle beams. At the Pohang Accelerator Laboratory X-ray Free Electron Laser (PAL-XFEL) facility, 6-dimensional phase spaces along the first bunch compressor section were...
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Tonia Batten (Canadian Light Source (Canada))02/09/2026, 16:00
The Canadian Light Source (CLS) is a third generation 2.9 GeV synchrotron. For many years, the CLS has relied on a version of MATLAB Accelerator Toolbox (AT) which was adopted in 2005 to compute accelerator parameters and beam properties. Since 2022 we have been working to port this functionality into python. This paper will provide an overview of what work has been completed and describe...
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Xiaoyu Liu (Institute of High Energy Physics)02/09/2026, 16:00
The beam position monitor (BPM) system of the High Energy Photon Source (HEPS) storage ring consists of 578 BPMs distributed over 48 cells. Since BPM faults can affect the fast orbit feedback and beam stability, real-time monitoring with precise localization is essential. This work proposes a channel-level anomaly detection framework that integrates a multi-window autoencoder with a...
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Igor Khokhriakov (Deutsches Elektronen-Synchrotron DESY)02/09/2026, 16:00
Beam-instrumentation workflows frequently cross control-system boundaries: machine conditions may be provided by one framework while beamline detectors and actuators are controlled by another. High-level acquisition code then tends to accumulate framework-specific polling loops, callbacks, state bookkeeping, fan-out logic, and fault-handling paths even when the underlying workflow is...
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Gerhard Schneider (European Organization for Nuclear Research)02/09/2026, 16:00
A total of 32 Beam Position Monitors (BPMs) will be installed in the cryogenic magnet assemblies for the CERN High Luminosity Large Hadron Collider (HL-LHC) project. These BPMs of total 3 types are of challenging mechanical design and built at CERN. The complexity results from the multiple requirements that these BPMs must fulfil, including their operation in a cryogenic environment and their...
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Donghyun Kwak (Korea Atomic Energy Research Institute)02/09/2026, 16:00
The RFT-30 cyclotron at the Advanced Radiation Technology Institute (ARTI) of the Korea Atomic Energy Research Institute (KAERI) is a multipurpose proton cyclotron, which is particularly utilized for the production of medical radioisotopes. In radioisotope production, the reaction cross-section, which is strongly dependent on the proton energy and target material, critically influences the...
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Andrew Young (SLAC National Accelerator Laboratory)02/09/2026, 16:00
LCLS-II, the next-generation X-ray free-electron laser at SLAC National Accelerator Laboratory, will employ a continuous-wave 4 GeV superconducting linear accelerator with a nominal bunch spacing of 1 μs to deliver both soft and hard X-ray FEL radiation to experimental users. To meet the stringent beam diagnostics requirements of this facility, the SLAC Technical Innovation Directorate has...
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Porntip Sudmuang (Synchrotron Light Research Institute)02/09/2026, 16:00
The SPS-II storage ring requires high-precision beam position monitors (BPMs) for orbit control and fast feedback operation. The design employs a button-type BPM with a removable feedthrough flange, allowing independent fabrication, testing, and replacement without disassembling the main vacuum chamber. Following the first prototype, further improvements have been implemented in both...
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Kenichirou Satou (High Energy Accelerator Research Organization)02/09/2026, 16:00
J-PARC MR has achieved its initial goal of 750 kW beam delivery and is upgrading equipment toward the next target of 1.3 MW. The Beam Position Monitor (BPM) system comprises 186 sensors and associated data-processing units, and precise determination of accelerator optics is required. We aim to improve Closed Orbit Distortion (COD) and bunch-by-bunch (BxB) position measurements to better than...
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Boris Keil (Paul Scherrer Institute)02/09/2026, 16:00
The Karlsruhe Institute of Technology (KIT) will utilize PSI-developed cavity beam position monitors (CBPMs) for the cSTART storage ring transfer line. This contribution presents beam tests of these CBPMs at the Swiss Light Source injector linac, characterizing performance ahead of cSTART commissioning in 2027. While based on SwissFEL designs, the cSTART CBPMs are adapted for single-bunch...
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Yusuf Fazlee (Science and Technology Facilities Council)02/09/2026, 16:00
The ISIS Neutron and Muon Source, at the Rutherford Appleton Laboratory in the UK, is a pulsed neutron source whose 50 Hz rapid cycling synchrotron accelerates beams of up to 3e13 protons to 800 MeV and delivers them to one of two fixed targets. A Medium Energy Beam Transport (MEBT) will be installed in the ISIS pre-injector after the 202.5 MHz RFQ, to improve transport and injection...
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Chris Hulley (European Organization for Nuclear Research)02/09/2026, 16:00
As part of the upcoming High Luminosity upgrade (HL-LHC), the LHC will be equipped with novel, large aperture Nb3Sn Inner Triplet magnets around the ATLAS and CMS experiments. Each Inner Triplet region will contain 6 new directional coupler Beam Position Monitors (BPMs) to independently measure both LHC beams circulating in a common vacuum chamber. The BPM signals will be measured and...
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Gaku Mitsuka (High Energy Accelerator Research Organization)02/09/2026, 16:00
This presentation will discuss the development of a novel bunch-by-bunch beam size monitor (SiXRM) employing silicon strip sensors and an RFSoC-based readout architecture. SiXRM is an ultrafast X-ray beam size monitor developed at the SuperKEKB electron-positron collider, and its development has been ongoing for the past ten years. The existing system uses a 2.7 Gsps ASIC for AD conversion of...
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Longwei Lai (Shanghai Advanced Research Institute)02/09/2026, 16:00
A universal broadband synchronous beam signal acquisition daughter board has been developed at SSRF. It features four 125 MSPS, 16-bit ADC channels, a low-jitter synchronous clock phase-locked loop (PLL) circuit, a pilot-tone signal generator, and a low-noise power supply circuit. The daughter board is designed to be integrated into the universal FPGA-based data acquisition platform developed...
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David Madlener (Paul Scherrer Institute)02/09/2026, 16:00
In this contribution, we present the development of general purpose 8-channel 5 GSample/s waveform recorder and 10 GSample/s function generator for a 3rd generation AMD Radio Frequency System-On-Chip (RFSoC). The system has an EPICS IOC running on a CPU inside the RFSoC, as well as a direct fiber optic interface to the Swiss Light Source event system. This enables to trigger the data...
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212. Development of next-generation universal beam diagnostic electronics platforms at SSRF (WEP043)Longwei Lai (Shanghai Advanced Research Institute)02/09/2026, 16:00
At the Shanghai Synchrotron Radiation Facility (SSRF), two next-generation universal beam diagnostic electronics platforms have been developed to meet the diverse beam measurement requirements of the accelerator. The first platform is a digital carrier board based on the Xilinx XCZU19EG, featuring 16-Gbps GTH transceivers and 32-Gbps GTY transceivers. The board provides two FMC HPC connectors...
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Zhihong Xu (Institute of High Energy Physics)02/09/2026, 16:00
In the MEBT section of the China Spallation Neutron Source Phase II project, eight strip-type beam position monitor are deployed for precise transverse beam position measurement. The original system employed Bergoz LRBPM electronics modules and NI 1.25 MSPS multifunction data acquisition cards, with upper-layer software developed on the LabVIEW platform to realize orbit measurement functions....
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Manuel Cargnelutti (Instrumentation Technologies (Slovenia))02/09/2026, 16:00
The MTCA.4 BPM system has been set up using two newly developed modules: DAMC-UNIZUP (by DESY) and 2BPMRTM (by I-Tech). The modules have been installed in a prototype NATIVE server R1 and connected to NSLS-II spare BPMs. To test the performance of the electronics alone, a BPM button signal was split using a four-way splitter and routed to the switching matrix module. Due to tunnel access...
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Bastian Lorbeer (Deutsches Elektronen-Synchrotron DESY)02/09/2026, 16:00
Over the past ten years button, strip-line, and cavity beam position monitor (BPM) electronics have been developed at the Deutsches Elektronen-Synchrotron (DESY) in Hamburg, Germany in the Machine Diagnostics and Instrumentation Group. These developments are compliant with the utca standard which is widely used on the DESY site and used in almost all diagnostics and instrumentation electronics...
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Rok Hrovatin (Cosylab)02/09/2026, 16:00
In collaboration with the European Spallation Source (ESS) and Riga Technical University, we wanted to explore real-time ML model inference on FPGAs for beam waveform classification. To identify a viable solution, we evaluated two ML toolchains on the Xilinx Versal VCK190 adaptive SoC. The first uses the Vitis AI toolchain to integrate the DPUCVDX8G deep learning processing unit and 64-tile AI...
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An Le (SLAC National Accelerator Laboratory)02/09/2026, 16:00
The Cavity-Based X-ray Free-Electron Laser (CBXFEL) project, to be deployed in the Linac Coherent Light Source (LCLS) Hard X-ray (HXR) undulator line, requires X-ray beam diagnostics to support alignment and optimization of the optical cavity. An instrumentation platform has been developed consisting of silicon and diamond X-ray Beam Intensity Monitors (XBIMs), signal-conditioning electronics...
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En-Chuan Huang (Los Alamos National Laboratory)02/09/2026, 16:00
The Beam Position Monitors (BPMs), the primary tuning diagnostics for the Proton Storage Ring (PSR) at the Los Alamos Neutron Science Center (LANSCE), recently underwent an upgrade to their data acquisition system. Whereas the previous system relied on a multiplexed architecture, the new system provides independent readbacks for each BPM and incorporates beam phase measurements. In parallel,...
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Yongbin Leng (University of Science and Technology of China)02/09/2026, 16:00
The beam current monitor for the Hefei Advanced Light Facility (HALF) can acquire the slow, high-precision DC signal from the DCCT and the high-repetition-rate (500 MHz), broadband narrow pulses from a stripline beam position monitor (SBPM) simultaneously. The SBPM was specifically designed for HALF and we deal with the special signals in the time domain. Conventionally, commissioning such...
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Sergey Kuzikov (Thomas Jefferson National Accelerator Facility)02/09/2026, 16:00
We describe a method for measuring the loaded and intrinsic quality factors, the external quality factor, and cavity detuning using algorithms based on solutions of the cavity differential equations in the I/Q domain. We report measurement results for Nb₃Sn cavities at Jefferson Lab’s UITF facility. The measurements include several tens of forward, probe, and reflected signal traces, each...
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95. Non-invasive determination of scaling and skew factors for X-ray beam position monitors (WEP008)Claire Houghton (Diamond Light Source)02/09/2026, 16:00
X-ray beam position monitors (XBPMs) are an indispensable tool for determining the position of the white beam in beamline front-ends at synchrotron light sources. White beam XBPMs at Diamond Light Source typically use four tungsten blades which intercept the tails of the transverse beam profile in order to not disrupt user beam. The measured currents from the four blades are converted to a...
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Chris Hulley (European Organization for Nuclear Research)02/09/2026, 16:00
The High-Luminosity upgrade of the LHC requires new Beam Position Monitor (BPM) Data Acquisition Electronics capable of improved resolution and robustness. The new system is based on a Xilinx RF System-on-Chip, which digitises the eight BPM signals using integrated high-speed ADCs. During testing at the end of 2025, significant perturbations were observed in the system’s orbit measurements...
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Laura Torino (ALBA Synchrotron (Spain))02/09/2026, 16:00
As ALBA II is currently under development, the machine design has undergone several updates. Some of these modifications directly impact the Beam Position Monitor (BPM) pickup response. Specifically, the transition of the vacuum chamber cross-section from circular to rhomboidal brings the pickup electrodes closer to the beam, increasing the wakefield effects and potential parasitic heating. An...
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Donghyun Kwak (Korea Atomic Energy Research Institute)02/09/2026, 16:00
The RFT-30 cyclotron at the Advanced Radiation Technology Institute (ARTI) of the Korea Atomic Energy Research Institute (KAERI) is a multipurpose proton cyclotron that delivers proton beams of up to 30 MeV for medical radioisotope production and the neutron applications. In the beam transport line, reliable information on the transverse beam position is essential for stable beam delivery and...
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Chia-Mu Cheng (National Synchrotron Radiation Research Center)02/09/2026, 16:00
Two sets of blade-type X-ray beam position monitors (XBPMs) are installed in the front end of Taiwan Photon Source (TPS), with the downstream monitor designated as XBPM2. Significant challenges in the calibration and operation of XBPM2 in the TPS front end have been primarily attributed to the upstream mask aperture size being nearly identical to the blade tip spacing. It leads to a...
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Yongbin Leng (University of Science and Technology of China)02/09/2026, 16:00
The Hefei Advanced Light Source (HALF) is a fourth-generation diffraction-limited storage ring under construction in China, imposing stringent requirements on its beam position monitor (BPM) system for sub-micron resolution, low-latency fast orbit feedback, and robust long-term stability. This paper presents the comprehensive performance testing of all DBPM developed for the HALF storage ring....
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Seok Ho Moon (Korea Multi-purpose Accelerator Complex)02/09/2026, 16:00
The Korea Multi-purpose Accelerator Complex (KOMAC) operates a linear proton accelerator consisting of an ion source, a Low Energy Beam Transport (LEBT), a Radio Frequency Quadrupole (RFQ), and two Drift Tube Linac (DTL) sections. The beam is extracted at 50 keV and accelerated to 3 MeV through the RFQ, subsequently reaching 20 MeV in DTL Section 1 and a final energy of 102.6 MeV in DTL...
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Yingbing Yan (Shanghai Synchrotron Radiation Facility)02/09/2026, 16:00
The Shanghai High Repetition Rate XFEL and Extreme Light Facility (SHINE) is a high repetition rate X-ray free-electron laser facility currently under construction in Shanghai, China. Beam data synchronization plays a vital role in beam parameter analysis, performance optimization and fault diagnosis. Based on White Rabbit technology, a timing system is established to distribute synchronous...
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Chunjie Xie (Institute of High Energy Physics)02/09/2026, 16:00
The CSNS-II upgrade aims to further increase the RCS beam power from the presently achieved level of about 185 kW to 500 kW. Under the higher beam power, the RCS BPM electronics will face challenges due to the increased input signal voltage and the requirement for a larger dynamic range. To achieve both a wide dynamic range and high position resolution, a new BPM electronics system is being...
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Risa Nakagawa (The Graduate University for Advanced Studies, SOKENDAI)02/09/2026, 16:00
A muon linear accelerator accelerating muons up to 212 MeV is being developed for the J-PARC muon g-2/EDM experiment. The beam intensity is estimated at only a few tens of muons per pulse, and the required transverse emittance is 1.5 π mm·mrad or less. The beam radius is expected to be σ ~ 1 mm, requiring a resolution of about 0.1 mm to resolve it. We are developing beam profile monitors at 40...
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En-Chuan Huang (Los Alamos National Laboratory)02/09/2026, 16:00
While basic beam parameters can be determined quickly using an optics model for the Proton Storage Ring (PSR) at LANSCE, some parameters, like effective beam current, beam sizes, and the impacts of RF bunchers, normally require multi-turn beam dynamics simulations that are often too long for the control room. In this effort, we present an ML surrogates based on PyORBIT simulations of the PSR...
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Thakonwat Chanwattana (Synchrotron Light Research Institute)02/09/2026, 16:00
As part of an ongoing performance improvement at the Siam Photon Source (SPS), the 40 MeV electron injector system is undergoing an evaluation of its present beam properties. While previous measurements reported an overall transmission efficiency of approximately 26 % through the injector linac and Low-Energy Beam Transport line (LBT), recent investigations were conducted to evaluate the...
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Bela Urbschat (Nagoya University)02/09/2026, 16:00
At the SuperKEKB storage rings, a special stripline BPM is used at the injection points to measure the injection beam arriving from the beam transport line after it traverses all septum magnets, just before entering the storage rings. A new readout device based on the RFSoC platform and tailored to this application has been developed, successfully deployed and continuously operated during...
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Ruizhe Gong (Institute of Advanced Light Source Facilities Shenzhen)02/09/2026, 16:00
With the ever-increasing performance of ADC, digital electronics systems based on direct RF sampling have become capable of serving many areas of beam instrumentation. One of the most significant applications is the electronics for CBPM (Cavity Beam Position Monitor) and BAM (Beam Arrival Monitor) pickups, as the signals generated by these pickups are high-frequency signals above 3 GHz. By...
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Carl HInes (Atomic Weapons Establishment)02/09/2026, 16:00
The upcoming Scorpius Linear Induction Accelerator (LIA) that will be based at the Nevada National Security Site requires the calibration of tens of Beam Position Monitors of differing geometries, all within stringent uncertainty constraints. These diagnostics provide the accelerator team with time-dependent current and position information of the propagating electron beam, which is essential...
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Daniel Sittard (European Organization for Nuclear Research, Karlsruhe Institute of Technology)02/09/2026, 16:00
Crab crossing is used in the High-Luminosity LHC (HL-LHC) to increase luminosity. Button- and stripline beam position monitors (BPMs) are used to observe the beam crabbing and to use the signal for RF noise feedback. The BPMs are not only sensitive to the crabbing angle, but also the trajectory tilt and center-of-mass position. Untangling the individual contributions demands attention and...
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Umberto Berzano (National Center for Oncological Hadrontherapy)02/09/2026, 16:00
CNAO in Pavia is one of the first centers for hadrontherapy in Europe, treating patients since 2011. The center represents an international reference for machines specifically designed for this purpose. The synchrotron BPM electronics currently relies on analog boards that compute the ratio between difference and sum signals from the shoebox pickup, with signals subsequently acquired by...
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Chelsea-Lea Randall (Canadian Light Source (Canada))02/09/2026, 16:00
At the beginning of my master’s thesis, the software used for acquiring images of the electron beam was BeamGage Professional, a paid software that came with the cameras. This software was prone to issues and would commonly crash or fail to connect to the camera. The solution to this problem was often to power cycle the camera, which involved turning off RF systems, breaking lockup, and...
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Federico Ravotti (European Organization for Nuclear Research)02/09/2026, 16:00
The beam quality is of utmost importance in the operation of the IRRAD proton irradiation facility at CERN. During irradiation, the intensity, the transverse and longitudinal beam profiles are monitored online with custom-made Beam Profile Monitor (IRRAD-BPM) devices. The BPM sensors were developed and recently significantly improved thanks to a new manufacturing technology based on...
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Derek Steinkamp (Fermi National Accelerator Laboratory)02/09/2026, 16:00
The Mu2e experiment at Fermilab requires stable resonant slow extraction from the Delivery Ring, making reliable tune monitoring an important operational diagnostic. This work investigates BPM-based tune-candidate extraction using synchronized turn-by-turn position data distributed across multiple digitizers. Each spill contains approximately 50,000 turns from many BPMs in both transverse...
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Yongbin Leng (University of Science and Technology of China)02/09/2026, 16:00
Real-time bunch-by-bunch diagnostics are essential for stable synchrotron operation under top-off conditions. Conventional monitoring based on individual observables struggles to characterize complex beam dynamics from multi-parameter coupling. To address this, an unsupervised deep-learning framework was developed for automatic longitudinal bunch-by-bunch signal diagnostics and machine...
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Longwei Lai (Shanghai Advanced Research Institute)02/09/2026, 16:00
Beam Position Monitor (BPM) and Fast Orbit Feedback (FOFB) electronics are critical for ensuring the stability of synchrotron light sources. As part of the intelligent and digital upgrade of the Shanghai Synchrotron Radiation Facility (SSRF), significant enhancements are being made to these electronics, targeting improved beam-position measurement resolution and the integration of precise...
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Christian Boehme (Forschungszentrum Jülich)02/09/2026, 16:00
The Red Pitaya is a versatile single-board DAQ System equipped with two 125 MHz ADCs and DACs each, 16 DIOs, and four slow ADCs and DACs each. For signal processing, a Xilinx Zynq including a dual-core ARM Cortex and FPGA fabric is present. This low-cost board was used in several beam instrumentation devices at the COSY proton synchrotron, including the BLM system or for current measurements...
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Hong Ming Xie (Institute of Modern Physics, Chinese Academy of Sciences)03/09/2026, 09:00
The High-Intensity heavy-ion Accelerator Facility (HIAF) is a proton and ion accelerator facility, coupling a superconducting linac (iLinac) with a synchrotron to produce intense stable and radioactive beams with energies ranging from MeV/u to GeV/u. The official construction began on December 23, 2018, with the entire beam commissioning phase launched on October 27, 2025. Within 30 hours, the...
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Renjun Yang (Institute of High Energy Physics)03/09/2026, 09:30
The China Spallation Neutron Source (CSNS) is a major facility for neutron science in China, currently operating at an average beam power of 170 kW, with a beam energy of 1.6 GeV and a repetition rate of 25 Hz. In 2024, the CSNS Upgrade Project (CSNS-II) was launched, introducing new instrumentation for the superconducting linac, RCS, and additional beamlines. In 2025, we have upgraded the...
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Abdurahim Oguz (Oak Ridge National Laboratory)03/09/2026, 10:00
The recently completed Proton Power Upgrade (PPU) project at the Spallation Neutron Source (SNS) doubled the accelerator’s design capability from 1.4 to 2.8 MW by increasing the beam energy from 1.0 to 1.3 GeV and the beam current from 26 to 38 mA. Following multiple installation phases and extensive beam commissioning, SNS achieved reliable operation at 1.9 MW on target at 1.3 GeV in late...
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Luca Egoriti (TRIUMF)03/09/2026, 10:50
Radioisotope production and radioactive ion beam facilities are essential tools for advancing research in nuclear physics and enabling applications in medicine, materials science, and other fields. This talk provides an overview of the Advanced Rare Isotope Laboratory (ARIEL), the next expansion of TRIUMF’s isotope production and radioactive ion beam capabilities. Following TRIUMF’s 2026 long...
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