Hydrogen in the LCLS2 Beamline Vacuum
Anthony C. Crawford
TL;DR
This paper discusses how the cold segments of the LCLS2 linac will effectively cryopump hydrogen, reducing residual gas interactions during operation.
Contribution
It demonstrates that the cryogenic sections of LCLS2 will naturally pump hydrogen, alleviating previous concerns about residual gas effects.
Findings
Hydrogen will be cryopumped effectively in LCLS2.
Long-term hydrogen pumping reduces residual gas interactions.
Cryogenic design benefits for beamline vacuum management.
Abstract
This note demonstrates that the cold segments of the LCLS2 linac will cryopump hydrogen for long periods of time, mitigating concerns for beam-residual gas interactions.
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Taxonomy
TopicsParticle accelerators and beam dynamics · Particle Accelerators and Free-Electron Lasers · Superconducting Materials and Applications