Measurement of Electron Clouds in Large Accelerators by Microwave Dispersion
Journal Article
·
· Phys.Rev.Lett.100:094801, 2008
Clouds of low energy electrons in the vacuum beam pipes of accelerators of positively charged particle beams present a serious limitation for operation at high currents. Furthermore, it is difficult to probe their density over substantial lengths of the beam pipe. We have developed a novel technique to directly measure the electron cloud density via the phase shift induced in a TE wave transmitted over a section of the accelerator and used it to measure the average electron cloud density over a 50 m section in the positron ring of the PEP-II collider at the Stanford Linear Accelerator Center.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 925776
- Report Number(s):
- SLAC-PUB-13181; PRLTAO; TRN: US0803086
- Journal Information:
- Phys.Rev.Lett.100:094801, 2008, Vol. 100; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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