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RIS citation export for WEPRB097: Understanding and Mitigation of Field Emission in CEBAF SRF Linacs

AU  - Geng, R.L.
AU  - Freyberger, A.
AU  - Rimmer, R.A.
ED  - Boland, Mark
ED  - Tanaka, Hitoshi
ED  - Button, David
ED  - Dowd, Rohan
ED  - Schaa, Volker RW
ED  - Tan, Eugene
TI  - Understanding and Mitigation of Field Emission in CEBAF SRF Linacs
J2  - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019
CY  - Melbourne, Australia
T2  - International Particle Accelerator Conference
T3  - 10
LA  - english
AB  - We will present current understanding of field emission in two 1.1 GeV CW SRF linacs at CEBAF and its mitigation for improved CEBAF energy reach and operation reliability. This contribution will provide a review of CEBAF gradient evolution since 2014, the impact of field emission, the effort in understanding the root cause of field emission in operational SRF cavities including the recently installed C100 cavities. We will evaluate the effect of initial mitigations implemented since 2016, aimed at reducing generation and transportation of new field emitting particulates. Effects of cavity thermal cycling aimed at abating activation of settled field emitting particulates will be evaluated as well. Remaining issues toward predictable control of field emission in operational SRF cavities will be discussed.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 3039
EP  - 3042
KW  - cavity
KW  - cryomodule
KW  - linac
KW  - operation
KW  - vacuum
DA  - 2019/06
PY  - 2019
SN  - 978-3-95450-208-0
DO  - DOI: 10.18429/JACoW-IPAC2019-WEPRB097
UR  - http://jacow.org/ipac2019/papers/weprb097.pdf
ER  -