Higher order mode damping studies on the PEP-II B-Factory RF cavity
Conference
·
OSTI ID:10133622
- Lawrence Berkeley Lab., CA (United States)
- Stanford Linear Accelerator Center, Menlo Park, CA (United States)
- Atomic Energy of Canada Ltd., Chalk River, ON (Canada)
We describe studies of the higher-order-mode (HOM) properties of the prototype 476 MHz RF cavity for the proposed PEP-II B-Factory and a waveguide damping scheme to reduce possible HOM-driven coupled-bunch beam instability growth. Numerical studies include modelling of the HOM spectrum using MAFIA and ARGUS, and calculation of the loaded Q`s of the damped modes using data from these codes and the Kroll-Yu method. We discuss briefly the experimental investigations of the modes, which will be made in a full-size low-power test cavity, using probes, wire excitation and bead perturbation methods.
- Research Organization:
- Lawrence Berkeley Lab., CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC03-76SF00098; AC03-76SF00515
- OSTI ID:
- 10133622
- Report Number(s):
- LBL-32549; CONF-920315-44; ESG-203; ABC-74; ON: DE93007718
- Resource Relation:
- Conference: EPAC 92: 3. European particle accelerator conference: accelerators for special applications,Berlin (Germany),24-28 Mar 1992; Other Information: PBD: Mar 1992
- Country of Publication:
- United States
- Language:
- English
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