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Mr Mathieu VALLEAU (Synchrotron soleil)18/05/2026, 14:00MC7.T36: SustainabilityInvited Oral Presentation
Undulators are widely employed on accelerator-based light sources. The length of these devices is usually constrained by the length of the straight sections, and this will become even more critical for Diffraction Limited Storage Rings based on existing Synchrotrons, where the number of magnets required to store the electron beam is huge. Thus, to reach high brightness and flux, the total...
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Stephane Sanfilippo (Paul Scherrer Institute)18/05/2026, 14:30MC7.T10: Superconducting MagnetsInvited Oral Presentation
Over the past decade, the Magnet Section at the Paul Scherrer Institute (PSI) has developed extensive expertise in superconducting magnet design, construction, and testing, forming the foundation for SMILE (Superconducting Magnets to Improve Large Research Facilities Efficiency) - a proposed R&D initiative that brings together PSI experts and international partners. SMILE’s primary goal is to...
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Pei Zhang (Institute of High Energy Physics, University of Chinese Academy of Sciences)18/05/2026, 15:00MC7.T07: Superconducting RFContributed Oral Presentation
The High Energy Photon Source (HEPS), recently commissioned in Beijing, is a 6 GeV diffraction-limited storage-ring light source. A double-frequency RF system was adopted, comprising five 166.6 MHz superconducting RF (SRF) cavities acting as the fundamental and two 499.8 MHz SRF cavities serving as the third harmonic for bunch lengthening. A β=1 quarter-wave SRF cavity was developed in-house...
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Ting-Yi Chung (National Synchrotron Radiation Research Center)18/05/2026, 15:20MC7.T15: Technology: Undulators and WigglersContributed Oral Presentation
To generate white beam with various polarization, we have designed and constructed tapered APPLE undulators. A typical APPLE adjusts the polarization and photon energy through four-axis phase motions and a single-axis gap change. In addition to these mechanisms, our design incorporates rotational and translational structures to further extend the accessible energy spectrum. In this...
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Sophie Gresty (University of Liverpool)18/05/2026, 15:40MC7.T09: Normal Conducting MagnetsContributed Oral Presentation
The design of multipole and other magnets for accelerators is typically an iterative process in which the magnet geometry is optimized for the required beam dynamics properties. Modelling the field for a given geometry can be computationally expensive, so exploring the parameter space can be a time-consuming procedure. The task is particularly challenging when complex field properties are...
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Maud Baylac (Laboratoire de Physique Subatomique et de Cosmologie)19/05/2026, 14:00MC7.T36: SustainabilityInvited Oral Presentation
Particle accelerators have become essential instruments for fundamental research and also to improve our health, high-tech abilities or safety. Accelerating particles to high energies require a large amount of energy and energy sustainability is an unavoidable challenge for future accelerators. Among several solutions developed to minimize energy consumption, the project Innovate for...
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Igor syratchev (European Organization for Nuclear Research)19/05/2026, 14:30MC7.T08: RF Power SourcesInvited Oral Presentation
The tristron was already proposed many years ago but was never developed to a stage, where it could be mass produced. Based on IOTs, the tristron promises to achieve RF efficiencies above 90% for a wide frequency and power range. Building on the development of high-efficiency klystrons, CERN is proposing this new device as the power source of choice for future colliders like the FCC. The talk...
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Susana Izquierdo Bermudez (European Organization for Nuclear Research)19/05/2026, 15:00MC7.T10: Superconducting MagnetsContributed Oral Presentation
Future high-energy proton colliders will require high-field accelerator magnets beyond the capabilities of Nb-Ti technology. The Nb₃Sn quadrupole magnets developed for the High-Luminosity LHC upgrade represent the first large-scale application of this technology in an operational accelerator. Following an extensive short-model R&D program—comprising about 40 coils and seven 1.5 m-long...
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Chad Pennington (University of California, Los Angeles)19/05/2026, 15:20MC7.T06: Normal Conducting RFContributed Oral Presentation
The electron source at the MOTHRA beamline is a novel 0.5-cell cryogenic C-band photoinjector designed to operate at gradients up to 200 MV/m. This work reports on recent developments toward implementing a load lock and modular cathode backplane that enables the insertion and testing of next-generation photocathode materials and structures under high-field, cryogenic operating conditions. The...
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Nicole Neveu (SLAC National Accelerator Laboratory)19/05/2026, 15:40MC7.T07: Superconducting RFContributed Oral Presentation
LCLS-SC achieved first light in 2023, and continues to ramp up performance. The linac consists of 35 cryomodules at 1.3 GHz, plus two cryomodules operating at the 3rd harmonic (3.9 GHz). The high repetition rate linac has been operating at 3.8 GeV regularly since 2024. As with any SRF machine, quenches occurred both during commissioning (as a part of normal processing), and during normal...
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