Updated Impedance Estimate of the PEP-II RF Cavity
Conference
·
OSTI ID:619417
This paper presents an updated estimate of the higher-order mode impedance spectrum of the RF cavities for the PEP-II B-factory. The cavity is designed for continuous operation at 476 MHz with up to 150 kW wall dissipation and heavy beam loading. To reduce the growth rates of coupled-bunch instabilities the cavity higher-order modes are damped by three rectangular waveguides and broad-band loads. The results of detailed measurements on the first high-power cavity with all absorbers in place are presented and the damping effect due to the high-power coupler is discussed. Results are compared with earlier measurements of a cold-test model. Implications for the design of the broad-band bunch-by-bunch feedback systems and high-power HOM loads are discussed.
- Research Organization:
- California Univ., Berkeley, CA (United States). Lawrence Berkeley Lab.; Stanford Linear Accelerator Center, Stanford, CA ((United States)
- Sponsoring Organization:
- USDOE Office of Energy Research, Washington, DC (United States)
- DOE Contract Number:
- AC03-76SF00515; AC03-76SF00098
- OSTI ID:
- 619417
- Report Number(s):
- SLAC-PUB--7211; CONF-960621--; LBNL--38929; ON: DE97009055
- Country of Publication:
- United States
- Language:
- English
Similar Records
High-power RF cavity R&D for the PEP-II B Factory
High-power testing of the first PEP-II RF cavity
Higher order mode damping studies on the PEP-II B-Factory RF cavity
Conference
·
Wed Jun 01 00:00:00 EDT 1994
·
OSTI ID:10178305
High-power testing of the first PEP-II RF cavity
Conference
·
Sat Jun 01 00:00:00 EDT 1996
·
OSTI ID:505666
Higher order mode damping studies on the PEP-II B-Factory RF cavity
Conference
·
Sat Feb 29 23:00:00 EST 1992
·
OSTI ID:7066237