Non-destructive beam current measurements are a crucial aspect of beam instrumentation in any particle accelerator. Often, these measurements must be capable of distinguishing individual beam pulses. In an increasing number of accelerators, pulse repetition rates reach the GHz range. Consequently, beam current measurement bandwidth must exceed a few GHz. To meet this requirement, a wall...
The High Intensity Proton Accelerator HIPA at PSI has been in operation since 1974. A large trove of documentation for its beam instrumentation exists, in the form of publications, internal notes, spreadsheets and e-mails. We have built a retrieval-augmented generation (RAG) system, based on a large language model (LLM) that assists scientists and operators with the maintenance and use of the...
The Continuous Electron Beam Facility (CEBAF) has been in operation since 1994. The accelerator has seen several upgrades to RF and cryogenic systems and capabilities. However, the diagnostics used for beam delivery have remained largely unchanged. With several challenging experiments on the way and obsolescence issues with existing hardware, the time has come to explore a significant...
A Cherenkov fiber-based shut-off system is being developed for TRIUMF’s ARIEL e-Linac to provide a scalable, cost-effective solution for monitoring beam losses in high-radiation environments. The system uses a single 100m long thin silica fiber with photomultiplier tubes at both ends, allowing sensitive electronics to be located outside the radiation area. This design is favorable over bulky...
The China Spallation Neutron Source (CSNS) is a major facility for neutron science in China, and is currently operating at an averaged beam power of 170 kW with a beam energy of 1.6 GeV and repetation rate of 25 Hz. In 2024, the CSNS Upgrade project (CSNS-II) was launched with a goal beam power of 500 kW. We will present an overview of the new diagnostics and the corresponding challenges. We...
An exploration into the application of machine learning (ML) approaches to identify pile-ups and correct them in single particle counters at the GSI Helmholtz Centre for Heavy Ion Research in presented.
About 100000 particle pulse data from various spills were manually labelled and a convolutional neural network (CNN) was developed to accurately count the number of particles without...
The aim of the NEWGAIN Project (NEW Ganil INjector), is to build a second injector on the SPIRAL2 accelerator to produce and accelerate heavier beams with A/q up to 7. The NEWGAIN injector is based on 2 ECR ion sources, two LEBT, one RFQ and a MEBT lines to send new ion beams in the linac and the S3 experimental room.
Diagnostic monitors are planned to measure and control beam intensities,...
The Canadian Light Source (CLS) linear accelerator (linac) serves as the injector for the 2.9 GeV synchrotron. The original linac, which was installed in the 1960's, was replaced in 2024. The new 3000.24 MHz linac was designed and built by RI Research Instruments GmbH. The linac makes use of a 90kV-thermionic-ion-source, three 5m long accelerating S-band structures and a SLED pulse compressor...
A fiber-optic (FO) beam loss montior (BLM) system, installed along the booster to storage ring (BTS) trasnport line has been useful in identifying loss locations employing time-of-flight (TOF) analysis. The BTS BLM TOF system is comprised of a pair of rad-hard, fused-silica FO cables running along either side of the BTS line at beam elevation. In the initial configuration, we measured losses...
SOLARIS storage ring has been equipped with a set of twelve Beam Loss Detectors, controlled by Libera Beam Loss Monitors. This system enhances the ability to monitor and analyze beam losses and operational efficiency. Detectors were strategically placed around storage ring and transfer line, providing ability to optimize injection losses and enable precise localization of beam loss events....
To achieve high-precision bunch-by-bunch current and lifetime measurements at the Hefei Light Source (HLS), we developed a beam diagnostics system based on interleaved sampling technology, achieving an equivalent sampling rate of 6.5 GHz. In single-bunch mode, amplitude extraction via cross-correlation with a single response function achieves a turn-by-turn current relative resolution of...
Secondary electron emission monitors are installed in CERN's North Area to assess the transmission of primary particles over time. In this study, we use artificial neural networks to investigate the relative influence of beam current transformer signals, historical dose, vacuum history, and beam loss monitor signals, on the secondary electron emission monitor's response. We detail the...
For the ESS linac commissioning, twelve extremely compact beam destinations were designed in place of bulky and expensive beam dumps, in order to dump [0.075, 250] MeV protons. The beam destinations were either Faraday Cups (FC) for the NCL commissioning or Insertable Beam Stops (IBS) for the SCL commissioning. Both FC and IBS are beam-intercepting devices, operated under vacuum, water cooled...
The Future Circular electron-positron Collider (FCC-ee) at CERN will provide collisions at four interaction points along a 91 km ring, with beam energies ranging from 45.6 GeV (Z pole) to 182.5 GeV (ttbar threshold). The radiation environment along the accelerator varies significantly, with different dominant sources depending on location and operational mode. Accurate characterization of this...
TOP-IMPLART is a pulsed RF proton linear accelerator in operation at the ENEA Frascati Research Center originally built as a technological demonstrator for a full-linear solution to protontherapy, it is currently evolving towards a facility available for research and industrial users in different fields, ranging from biomedical to aerospace applications. It consists of a commercial AccSys PL7...
The Compact Linear Accelerator for Research and Applications (CLARA) is STFC Daresbury Laboratory’s flagship accelerator facility. In this talk we present the latest data from the commissioning of the CLARA facility at Daresbury Laboratory. This will include initial beam measurements and diagnostic performance for the 250 MeV high brightness, highly compressed electron bunches. Once...
This paper presents the design and simulation of miniaturized permanent magnet configurations for Nuclear Magnetic Resonance (NMR) applications capable of in-vivo measurements. Traditional NMR systems require large, expensive equipment with high field uniformity, making portable applications challenging. We compare various compact magnet geometries, including H-type and Halbach arrays,...
Digital tomosynthesis (DT) is an x-ray scanning modality that creates 3D images similarly to Computed Tomography, but over a lower angular range. Recent innovation by company Adaptix have revised this technology to allow for the development of portable DT devices that retain the low dose benefit of this technique.
The detector is a key component of this device. For medical imaging,...
The CSNS-II linear accelerator upgrade will adopt superconducting accelerator structures, with the beamline enclosed in low-temperature modules. Detection of beam loss can only be done on the outer surface of the low-temperature modules. The CSNS-II accelerator plans to use a parallel plate multi-electrode ionization chamber as the beam loss monitor (BLM) probe for the superconducting section....
Shanghai Synchrotron Radiation Facility (SSRF) and Shanghai Soft X-ray FEL(SXFEL) are open to user, and the Shanghai High Repetition Rate X-ray FEL and Extreme Light Facility (SHINE) is under construction. These accelerator facilities require diverse beam diagnostics electronics to ensure their high-performance and stable operation. After more than a decade of development, the SSRF has...
This study proposes a machine learning approach to analyze the correlation between beam position monitor (BPM) measurements and output laser power in the Hefei Infrared Free-Electron Laser (FEL) facility. Using bunch-by-bunch data of transverse position, charge, and longitudinal phase collected from upstream undulator BPM probes, we develop a predictive model to evaluate whether BPM...
Real-time precision monitoring of beam profiles and emittance parameters in the High-Intensity Heavy-Ion Accelerator Facility (HIAF) presents critical challenges for analyzing collective beam effects and optimizing operations. During acceleration phases requiring sub-microsecond temporal resolution (0.1-2.048 MHz cyclotron frequency), we developed a heterogeneous computing-based diagnostic...
The beam diagnostic system of HIAF includes many subsystems, and the self-developed and researched electronic hardware adopts a highly integrated software and hardware architecture.To meet the requirements of beam debugging and measurement as well as user testing and experiments, the author of this paper developed a beam diagnostic embedded system based on EPICS and LACCS.This system fully...
As a part of the Proton Improvement Plan – II (PIP-II) at Fermilab, instrumentation systems are being modernized to take advantage of the higher speeds and ease of use offered by standardized embedded systems like MicroTCA. A rear-transition module (RTM) is being designed to interface with said embedded systems. In each of the four identical channels on the RTM, the differential signal from an...
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...
The Electron Ion Collider (EIC) is being built at Brookhaven National Laboratory (BNL). The early preliminary design phase efforts are underway. In addition to upgrading the existing RHIC instrumentation for the EIC hadron storage ring, new electron accelerator subsystems will include a 750 MeV Linac, accumulator ring, rapid-cycling synchrotron, electron storage ring, and a hadron cooling...
Retarding Potential Energy Analysers (RPEAs) are widely used diagnostic instruments for measuring energy distribution of charged particle beams. In this work we will discuss the conceptual design studies of a novel RPEA for low-energy antimatter beams (antiprotons/positrons). Simulation tools such as CST studio and G4Beamline were used for studying the prototype RPEA and to optimize its...
CERN’s Beam Instrumentation Group is developing a mini-crate to host the future BLM and BPM systems acquisition electronics at HL-LHC and SPS accelerators. For this purpose, a new power supply has been designed to meet the low noise requirements, high reliability, and availability standards for these harsh radioactive environments. The design makes use of CERN-developed ASICs and...
New BPM electronics have been developed for installation in the storage ring of the 4th Generation Synchrotron Radiation Facility in Ochang, South Korea. Based on the first prototype, two different platforms were utilized for the development of the second prototype. The first version employs an RFSoC-based design, which acquires broadband signals up to 2 GHz using a high-performance 2.5 GS/s...
The proposed FETS-FFA would exhibit high-intensity operation of a Fixed-Field Alternating Gradient (FFA) accelerator, as a demonstrator for a spallation neutron source driver. Faraday cups are planned to be installed in the injection straight to investigate injection efficiency and infer beam-position during early commissioning stages; and in the extraction line to inspect extraction...
Studies concerning the FLASH effect for radiation therapy are currently performed at ELSA. The booster synchrotron is used in a preliminary mode of operation to deliver electron beam pulses of 1.2 GeV energy with fixed length of 250 ns to irradiate cell samples. To enable different spill durations ranging from ns up to several ms in an energy range of 0.8 to 3.2 GeV a fast extraction from the...
In this work, the development of a non-invasive DC Current Monitor device (DCCM), based on Tunnelling MagnetoResistive (TMR) sensors, is presented. The device is primarily intended for measuring the current intensity of an ion beam without the need of intercepting it (therefore not altering its characteristics), making it suitable for online current monitoring. Details are given about the...
Sirius beamlines require specialized electronic devices to monitor key parameters of the photon beam, such as position and flux, through the detection of extremely low-level electrical currents. Furthermore, experiments conducted in fly-scan mode usually demand fast, high-precision low-level current measurements. To address these requirements, the development of a wide dynamic range ammeter...
The Extreme Photonics Applications Centre (EPAC) being built at the Central Laser Facility in the UK will utilise a 10Hz Laser Wakefield Accelerator (LWFA) to produce a tuneable x-ray source, with energies ranging from 3keV up to 10’s of MeV while maintaining a micron-scale source size and ultra-short pulse duration. Combination of such characteristics opens an opportunity for cutting-edge...
RAON is a heavy-ion accelerator supporting a wide range of beam energies and charge states. An integrated operational environment has been developed to enable centralized control and monitoring of accelerator systems. Machine states are defined through a structured framework combining source, machine, and beam modes, providing clear visibility of system readiness via an EPICS-based...
Shanghai High Repetition Rate X-ray FEL and Extreme Light Facility (SHINE) is currently under construction. There are hundreds of beam signal processors of different types along the accelerator, including processors for stripline beam position measurement (BPM), cavity BPM, cold button BPM, beam arrival time measurement (BAM), bunch length measurement (BLM), bunch charge interlock, and...
PIP-II (Proton Improvement Plan-II) is a critical upgrade to the Fermilab accelerator complex. The 800 MeV superconducting linear accelerator will utilize 126 beam position monitors (BPMs) across the Warm Front End (WFE), superconducting linac (SC LINAC), and Beam Transfer Line (BTL). These BPMs provide beam position, phase, timing, and intensity data, meeting stringent physics requirements:...
The beam loss monitor (BLM) is a diagnostic system designed to protect accelerator components from unexpected high-energy radiation. We have developed a cost-effective BLM system for the next-generation synchrotron light source, Korea-4GSR.
The system uses plastic scintillators, optical fibers, and a CMOS camera to localize beam losses with 10 ms time resolution. Scintillators placed along...
Design studies of the FETS-FFA demonstration ring have been conducted as part of the ISIS-II proposal for a new high-power spallation neutron source. Beam stacking has been proposed to overcome space-charge limits in an FFA, and the feasibility of this will be evaluated in the FETS-FFA test ring by stacking up to four pulses at 50 Hz. To monitor the long-pulsed current of the coasting stacked...
The Rare-isotope Accelerator complex for ON-line experiment (RAON) is a heavy ion accelerator with maximum beam power of 400 kW. To facilitate efficient information sharing among multiple users, we have developed an integrated system to monitor and analyze beam operations at the RAON accelerator. This system enables real-time tracking of beam transmission paths by analyzing the status of beam...
The conceptual design studies of FETS-FFA demonstration ring has been actively performed to confirm the reliability of Fixed Field Alternating gradient (FFA) accelerator for future high-power spallation neutron source, called ISIS-II. Wall Current Monitor (WCM) is a choice of non-destructive intensity monitor to evaluate circulating proton beams from 3 MeV (about 1 MHz in revolution frequency)...
In January 2025, beam was first stored in the SLS 2.0, and by April 2025, the milestone of a 400 mA beam was reached. A variety of diagnostics were utilized to reach these milestones; for example, charge, current and loss monitors for minimizing losses and optimizing transmission and injection efficiency, polarized visible light for vertical beam size measurement, and more. This paper will...
The PERLE (Powerful Energy Recovery Linac for Experiments) project is a high current and high charge testbed for the technologies required to realise future ERLs. A 20 mA electron beam with a bunch charge of 500 pC will be accelerated to 7 MeV by the booster and injected into the ERL. To deliver the beam to the ERL loop, a three-dipole merger with variable momentum compaction has been...
Accelerators are complex systems composed of tens of thousands of individual components requiring continuous maintenance. Aging facilities such as LANSCE face an increased rate of equipment failures, resulting in costly unscheduled shutdowns for maintenance. Early identification and localization of problems along the accelerator can mitigate future failures during scheduled maintenance periods...
Energy recovery LINACs (ERLs) are a type of novel accelerator, which recycle energy from old beams to new beams to increase machine energy efficiency. However, this can heighten beam instabilities, which limits the maximum beam current and increases beam losses. An optical fibre beam loss monitor (OBLM) can provide rapid and reliable beam loss monitoring, which is important for mitigating...
The Extreme Photonics Applications Centre (EPAC) is a next-generation high-power laser facility designed to deliver stable, high-repetition-rate (10 Hz) LWFA electron beamline with high quality parameters (∼1nC, ∼1 GeV, <5% energy spread). As a crucial preparatory step, one of the 10 TW laser system (Gemini) at the Central Laser Facility is being repurposed as a prototype beamline to de-risk...
Coupled resonant electrical circuits exhibit sensitivity to perturbation beyond linear. When the perturbation is the signal to be measured, operation of the circuitry near an exceptional point enhances the sensitivity by the nth root of the number of resonators. This presentation will describe exceptional points and their necessary conditions. Two examples will demonstrate exceptional point...
cSTART is a future storage ring currently under development at KIT with the purpose to investigate various non-equilibrium beam conditions and the injection and storage of LPA (Laser Plasma Accelerator) like beams. To understand and control the non-equilibrium beam dynamics at cSTART, various beam diagnostics with demanding specifications are required. The KARA booster has been used as an...
Radiation transport simulations allow the design and operation of entire facilities such as the European Spallation Source (ESS) in Lund, Sweden.
This paper summarizes three of the first applications of Attila4MC simulations to the high-power proton accelerator of ESS and its beam instrumentation. Entire linac sections and beam-interceptive instrumentation were modelled by implementing...
After a dark time of 15 months, the new diffraction limited storage ring SLS 2.0 had first beam in January 2025. In April 2025, the nominal beam current of 400 mA was reached. In this contribution, we present the status and first beam commissioning experience with the RF System-on-Chip (RFSoC) based signal processing systems of the new SLS 2.0 ring. RFSoCs integrate several fast...
Optically active point defects, known as color centers (CCs), are created in the crystal lattice of lithium fluoride (LiF) by irradiation with various types of ionizing radiation. Some of these CCs emit light in the red and green regions of the visible spectrum when optically excited with blue light. When a proton beam irradiates a LiF crystal, a volume distribution of CCs is formed, with...
The slow extraction experimental users are urgent and imperative for the quasi-consecutive and uniform beam during the spill, generally several seconds. The online monitoring of the beam spot and intensity are also demanded. Recently, a set of slow extraction instruments were upgraded at the HIRFL-CSRm not only for the online monitoring, but also the improvement of the spill quality and the...
The Hefei Light Source is a synchrotron radiation facility operating in the vacuum ultraviolet and soft X-ray regions. If the evolution of beam parameters and beam loss during the injection transient process can be observed synchronously, analyzing their correlation can provide more quantitative guidance for further optimizing the injection process. To achieve this goal, a monitoring system...
China Spallation Neutron Source (CSNS) upgrade project (CSNS-II) started in 2024. As the first important task, the injection section will be redesigned and a lot of beam instruments will be installed along the injection to I-Dump beam line. The H0 beam intensity at the downstream of the stripping foil is several microampere during the normal operation, while the proton beam intensity at the...
One of the principal roles of CERN’s Beam Loss Monitoring (BLM) system pertains to the protection of LHC’s superconducting magnets against quench-inducing beam losses. Thus, the continuous surveillance of the BLM system’s performance is essential for the high reliability and availability of the LHC. This paper focuses on the architecture of a novel data pipeline with implementations on...
The Canadian Light Source is a third generation synchrotron which supports 22 operational beamlines. A project to replace all beam diagnostic analog cameras with CCD cameras was initiated in 2020. Over time this project has been expanded to include beam analysis capabilities. We present an EPICS-based imaging system that uses inexpensive CCD cameras. The system computes beam parameters...
Two CLIC TD24 accelerating structures, manufactured by CERN, are undergoing high-power testing on the 12 GHz RF test stand, MelBOX, at the x-Band Laboratory for Accelerators and Beams (XLAB). Installed in late 2024, these are the first devices tested at the facility. The goal is to condition the structures for stable operation at gradients of 100 MV/m.
The maximum gradient is limited by...
The Advanced Photon Source Upgrade (APS-U) storage-ring (SR) is equipped with five horizontal collimators used to intercept 6-GeV electrons during fast whole-beam aborts and protect the rest of the SR. The collimators are located in sectors 37, 38, 39, 40, and 1. A fan-out kicker (FOK) system has been installed to reduce damage to the collimators during whole-beam loss events. Since APS-U...
Since its beginning ATLAS has had both Faraday Cups to measure beam current, and Beam Profile Monitors (BPM) to trace the beam profile. However only the Faraday Cups are used to perform objective beam measurements during tuning and delivery, because cups block the beam during measurements. ATLAS has approximately 41 BPMs which utilize a helically wound wire that continuously sweeps the Y and...
The slow losses measured by Beam Loss Monitors (BLMs) at synchrotron light source facilities offer useful but indirect insight into the state of the beam. Patterns arise across the set of BLMs depending on the movement of insertion devices, beam current, temperature, humidity, and other contributors. A variety of neural network models were designed and evaluated to model this behaviour under...
Non-invasive monitoring of nA-level currents in slowly extracted hadron beams is a challenging diagnostic task. Invasive instruments such as ionization chambers and secondary emission monitors (SEMs) are commonly employed for monitoring of such intensities. For low-intensity beam monitoring in storage rings like CRYRING and ELENA, capacitive pick-ups equipped with charge amplifiers have proven...
Fermilab Accelerator Division, Instrumentation Department is always adopting modern and current software methodologies for complex DAQ architectures. This paper presents the Redis Adapter (RA), a high-performance, modular interface bridging digitizers and distributed control systems like ACNET and EPICS. Using Redis and containerization, RA streamlines communication by linking Redis-based data...
Nonlinearities pose several challenges for accelerator physicists. In order to optimize nonlinearities in the lattice and improve the dynamic aperture (DA) and lifetime of the lattice, the designer utilized a variety of algorithms and trial and error methods. The Multi-Objective Genetic Algorithm (MOGA) is a commonly used method for optimizing lattice nonlinearities. This technique involves...
The Low Energy RHIC Electron Cooler (LEReC), the world’s first electron cooler utilizing an RF electron accelerator, was designed to operate with 1.6-2.6 MeV electron beams of up to 140 kW beam power. The LEReC successfully worked through RHIC Runs 2019-2021, substantially increasing RHIC luminosity, and has been routinely used for various studies since then. A dedicated, highly configurable...
An optical beam loss monitor (oBLM) has recently been installed at the extraction region of the Super Proton Synchrotron (SPS) at CERN. The oBLM offers a new method for detecting beam losses at the SPS by utilizing the Cherenkov radiation emitted during beam loss interactions with an optical fibre. This setup should allow to measure losses continuously over a large section of the accelerator,...
Beam intensity measurement of high intensity proton accelerator at PSI mainly consists of several passive cavity type monitors and corresponding electronics. New VME based electronics are running in parallel for final online testing with the old CAMAC ones, which will be replaced soon.
The new pre-amplifier of the VME system is suffering significant temperature-dependent drift, leading to an...
The ELSA facility at the University of Bonn uses a storage ring to accelerate polarized electrons up to 3.2 GeV. The photoinjector source is driven by a Ti:Sa laser beam to obtain a high polarization degree (~80%) from a strained-layer GaAsP superlattice crystal photocathode. To improve beam transfer efficiency following a prolonged shutdown of the source, the in-house developed diagnostic...
Siam Photon Source II (SPS-II) is a 4th-generation synchrotron light source to be constructed in Thailand, envisioned as a major synchrotron facility for Southeast Asia. It is designed with a 3 GeV low-emittance electron storage ring based on a Double Triple Bend Achromat (DTBA) lattice, with a circumference of 327.6 meters and a natural emittance of 0.97 nm·rad. The design and machine...
With nuclear reactor technology rapidly advancing and the plan to raise the nuclear energy production by a factor of 4, the need for advanced detectors, geometries and shields has become apparent. The precise and reliable measurement of the neutron flux is not only relevant for the safe operation of nuclear reactors, but also for future reactor experiments essential for progressing the...
Several systems protect the superconducting magnets of the Large Hadron Collider (LHC), which operate at -271.3C. The Beam Loss Monitoring (BLM) system is critical for detecting lost particles around the machine and reacting on their quantity and associated energy. It protects the machine from quenching and irreversible damage. To measure these losses, various detectors are used, primarily...
The X-band Laboratory for Accelerators and Beams (X-LAB) at the University of Melbourne enables high-power testing of X-band accelerator technologies, including components for CERN’s Compact Linear Collider (CLIC). At its core is Mel-BOX, a high-gradient test stand rebuilt from CERN’s XBOX3. Two TD24 structures, previously conditioned at CERN, have been successfully re-tested, along with RF...
Photocathodes are critical components in advanced electron sources, and accurate characterization of their performance is essential. Direct measurements of mean transverse energy (MTE) using the Transverse Energy Spread Spectrometer (TESS) at Daresbury Laboratory often yield modest datasets. Physics-informed machine learning, particularly generative models like GANs and diffusion models,...
In Fermilab's PIP-II machine protection system, beam loss signals from various detectors are digitized at 125 MS/s. Noise from both high-frequency sources and low-frequency 60 Hz AC power equipment can contaminate the data. To suppress noise across these ranges—especially 60 Hz and its harmonics, which overlap with beam loss signal frequencies—advanced digital processing beyond standard...
To support both routine operation and accelerator research at ELSA, a dual-mode dispenser-cathode based electron gun capable of thermionic emission and thermally assisted photoemission (TAPE) is being developed. A dedicated gun test stand is being designed to measure beam properties and quality, as well as quantum efficiency in the TAPE mode under operational conditions. Instrumentation will...
Faraday Cups have been used as diagnostic tools to measure the charged particle beam current directly. Up to now, different designs have been introduced for this purpose. In this work, a new design of Faraday Cup has been performed for the gun of PERLE, a Powerful Energy Recovery Linac to be installed at IJClab Orsay. FC's dimensions and desirable material have been considered based on PERLE...
CERN's beam-loss system is essential for the protection of machine elements against energy deposition due to beam losses. The protection function is based on Ionization Chambers Detectors installed along all of CERN's accelerators, totalling about 4000 detectors. Some of the areas where the detectors are installed have a high background dose (above 2mS per hour), so installation and...
The technology of signal reconstruction, baseline correction and adaptive integration method has been applied to the High Energy Photon Source (HEPS) charge measurement for high accuracy measurement. In this paper, simulation of signal reconstruction, algorithm of baseline correction and integration are present, the . At last, the results of the application on beam charge measurement are also...
For high-precision experiments involving low-energy antiprotons, non-invasive beam charge measurements with high accuracy are crucial. This paper presents a simulation study investigating the feasibility of a cavity-based beam current monitor (BCM) for low-energy antiprotons. Conventional invasive methods, such as Faraday Cups and MCPs, suffer from charge loss, limiting measurement accuracy. ...
In the beam diagnostics system of the CSNS accelerator, multiple National Instruments (NI) PXIe multifunction DAQ modules were utilized for readout system development. The original software architecture, implemented with LabVIEW+DSC modules on Windows system, introduced substantial challenges in EPICS integration. This paper details a software upgrade methodology that preserves the existing NI...
The Iranian Light Source Facility, ILSF, is under design as a 3 GeV synchrotron light source. The storage ring of ILSF with a 528 m circumference and NEG-coated vacuum chamber is used to achieve the desired vacuum level. In this paper, the monitoring system for gas bremsstrahlung radiation from the storage ring is studied. Gas bremsstrahlung is produced when the stored electron beam interacts...
This paper reviews the cross sections of various processes contributing to UV-Vis emissions from highly charged heavy ions interacting with matter at SIS extraction energies (300 to 1500 MeV/u). The interaction of these ions with matter generates detectable radiation, with mechanisms influenced by both material properties and beam characteristics. By analyzing theoretical models and...
The Beam Test Facility (BTF) at the National Laboratories of Frascati provides highly configurable positron/electron beams for different type of experiments. Extracted from the DAΦNE LINAC, the beam delivers up to 49 bunches/s, with 1 to $10^{10}$ particles/bunch. Secondary beams span 25-780 MeV (electrons) and up to 550 MeV (positrons). BTF includes two experimental halls: BTFEH1, suited for...
The Circular Electron Positron Collider (CEPC) is a 100-kilometer-circumference accelerator complex that includes a linear accelerator, transfer lines, a booster, and a storage ring. Given its massive scale, the CEPC requires a substantial number of beam diagnostic devices to ensure precise and reliable operation. These devices are tasked with measuring critical parameters such as beam...
Due to the limited transverse acceptance of 4th generation light sources, the characterization and control of the incoming beam from the booster to the storage ring is an important asset to achieve highly efficient and reproducible injection. For the upgraded SLS 2.0 storage ring, a new booster-to-ring transfer line (BRTL) has been designed, which includes a non-dispersive section for beam...
The Super Proton Synchrotron (SPS) beam loss monitoring (BLM) system at CERN, operational for several decades, currently comprises 286 Ionisation Chambers (ICs) around the SPS ring and approximately 144 additional detectors along various extraction lines (TT20, TT40, TT60, etc.). A complete renovation of the system is planned during Long Shutdown 3 (LS3), encompassing detectors, cabling, and...
An upgrade of the Shanghai Free Electron Laser (SXFEL) BPM signal processor is under preparation to implement the high-speed intelligent commissioning and bunch-by-bunch feedback control of the SXFEL beam. The function of synchronizing the acquisition of all BPM data from the SXFEL will be implemented. A new digital carrier board has been developed, using a Zynq UltraScale+ MPSoC FPGA as the...
The beam size monitor broadcast system at the Taiwan Light Source (TLS) has traditionally used analog coaxial cables and modulators to transmit measurement images and data to control rooms and beamline stations via televisions and tuners. While simple and network-independent, this setup suffers from low resolution, frequent interference, and aging hardware with no ongoing maintenance. This...
The beam size monitor broadcast system at the Taiwan Light Source (TLS) has traditionally used analog coaxial cables and modulators to transmit measurement images and data to control rooms and beamline stations via televisions and tuners. While simple and network-independent, this setup suffers from low resolution, frequent interference, and aging hardware with no ongoing maintenance. This...
The ELSA facility located at CEA DAM DIF consists of a 30 MeV, 15 ps rms, 1 nC compact linac. X-rays are produced either in the MeV energy range through interaction between the electron beam and a solid Ta conversion target (Bremsstrahlung radiation) or in the 10-80 keV energy domain through interactions between electrons with a Nd:YAG laser (inverse Compton Scattering radiation). ELSA is...
