Simulations of electron cloud build-up and saturation in the APS
Conference
·
OSTI ID:799639
- LBNL Library
In studies with positron beams in the Advanced Photon Source, a dramatic amplification was observed in the electron cloud for certain bunch current and bunch spacings. In modeling presented previously, we found qualitative agreement with the observed beam-induced multipacting condition, provided reasonable values were chosen for the secondary electron yield parameters, including the energy distribution. In this paper, we model and discuss the build-up and saturation process observed over long bunch trains at the resonance condition. Understanding this saturation mechanism in more detail may have implications for predicting electron cloud amplification, multipacting, and instabilities in future rings.
- Research Organization:
- Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (US)
- Sponsoring Organization:
- USDOE Director, Office of Science. Office of High Energy and Nuclear Physics. Division of High Energy Physics (US)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 799639
- Report Number(s):
- LBNL--50764; B& R KA0502010
- Country of Publication:
- United States
- Language:
- English
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