Bunch Length and Impedance Measurements at SPEAR3
Conference
·
· Conf.Proc.C0806233:tupp028,2008
OSTI ID:1028696
Streak camera measurements were made at SPEAR3 to characterize longitudinal coupling impedance. For the nominal optics, data was taken at three rf voltages and a single-bunch current range of 0-20mA. Both bunchcentroid phase shift and bunch lengthening were recorded to extract values for resistive and reactive impedance. An (R+L) and a Q=1 model were then back-substituted into the Haissinski equation and compared with raw profile data. In the short bunch (low-{alpha}) mode, distribution 'bursting' was observed.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1028696
- Report Number(s):
- SLAC-PUB-14675
- Conference Information:
- Journal Name: Conf.Proc.C0806233:tupp028,2008
- Country of Publication:
- United States
- Language:
- English
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