Geometric Effects on Electron Cloud
Conference
·
OSTI ID:909531
The development of an electron cloud in the vacuum chambers of high intensity positron and proton storage rings may limit the machine performances by inducing beam instabilities, beam emittance increase, beam loss, vacuum pressure increases and increased heat load on the vacuum chamber wall. The electron multipacting is a kind of geometric resonance phenomenon and thus is sensitive to the geometric parameters such as the aperture of the beam pipe, beam shape and beam bunch fill pattern, etc. This paper discusses the geometric effects on the electron cloud build-up in a beam chamber and examples are given for different beams and accelerators.
- Research Organization:
- Stanford Linear Accelerator Center (SLAC)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76SF00515;
- OSTI ID:
- 909531
- Report Number(s):
- SLAC-PUB-12640
- Conference Information:
- Contributed toParticle Accelerator Conference (PAC 07), Albuquerque, NM, USA, 6/25/2007-6/29/2007
- Country of Publication:
- United States
- Language:
- English
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