Progress with Tevatron Electron Lens Head-On Beam-Beam Compensation
Conference
·
· Conf.Proc.C100523:tupd070,2010
OSTI ID:983989
Tevatron electron lenses have been successfully used to mitigate bunch-to-bunch differences caused by longrange beam-beam interactions. For this purpose, the electron beam with uniform transverse density distribution was used. Another planned application of the electron lens is the suppression of tune spread due to head-on beam-beam collisions. For this purpose, the transverse distribution of the E{sup -} beam must be matched to that of the antiproton beam. In 2009, the Gaussian profile electron gun was installed in one of the Tevatron electron lenses. We report on the first experiments with non-linear beam-beam compensation. Discussed topics include measurement and control of the betatron tune spread, importance of the beam alignment and stability, and effect of electron lens on the antiproton beam lifetime.
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 983989
- Report Number(s):
- FERMILAB-CONF-10-137-AD-APC
- Conference Information:
- Journal Name: Conf.Proc.C100523:tupd070,2010
- Country of Publication:
- United States
- Language:
- English
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