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Overview of field emission problem in SRF cavities

Document #:
Project X-doc-916-v1
Document type:
talk
Submitted by:
Alexander Romanenko
Updated by:
Alexander Romanenko
Document Created:
14 Jul 2011, 20:56
Contents Revised:
14 Jul 2011, 20:56
Metadata Revised:
14 Jul 2011, 20:56
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Abstract:
A brief overview of the theory of field emission along with the practical manifestation of the problem in SRF cavities is given. Microparticles are identified as a dominant source of the field emission, and the ways to eliminate emitters such as RF processing and high pressure water rinsing are described. Statistical model is applied to explain strong field emission in SNS cavities. Expected field emission levels for 650 MHz Project X cavities are discussed.
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Keywords:
field emission SRF project X
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