Conveners
Beam Loss Monitors and Machine Protection
- Patricia Nallin (Brazilian Synchrotron Light Laboratory)
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Gaku Mitsuka (High Energy Accelerator Research Organization, The Graduate University for Advanced Studies, SOKENDAI)10/09/2025, 10:50MC02: Beam Loss Monitors and Machine ProtectionInvited Oral Presentation
At the SuperKEKB electron-positron collider, which aims to achieve the world's highest luminosity, "Sudden Beam Loss events (SBL)" have prevented its stable operation, in which several tens of percent of the beam current is lost and aborted within several turns (20-50 µs).
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Elucidating SBLs, which can cause extensive damage to accelerator components and the Belle II experiment detectors, is a... -
Sara Morales Vigo (European Organization for Nuclear Research)10/09/2025, 11:20MC02: Beam Loss Monitors and Machine ProtectionContributed Oral Presentation
In 2024, the Large Hadron Collider (LHC) delivered Pb-Pb ion collisions at a beam energy of 6.8 Z TeV with a stored beam energy of more than 20 MJ. In order to clean beam halo particles and avoid quenching the LHC superconducting magnets, the novel crystal collimation method employing 4 mm-long crystals was introduced for ion operation in the LHC Run 3. The LHC Beam Loss Monitoring (BLM)...
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Alan Fisher (SLAC National Accelerator Laboratory)10/09/2025, 11:40MC02: Beam Loss Monitors and Machine ProtectionContributed Oral Presentation
The superconducting upgrade to the LCLS x-ray free-electron laser at SLAC is now in commissioning, as we gradually raise the repetition rate of the 4-GeV beam toward 1 MHz and the beam power toward 120 kW. A further upgrade next year will double the energy and power. Machine protection at this extremely high power required a novel system of fast beam-loss monitors (BLMs). Points of concern,...
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