Experimental Demonstration of Compensation of Beam-Beam Effects by Electron Lenses

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Shiltsev, Vladimir
Alexahin, Yuri
Kamerdzhiev, Vsevolod
Kuznetsov, Gennady
Zhang, Xiao-Long
Bishofberger, Kip
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Abstract
Description
We report the first experimental demonstration of compensation of beam-beam interaction effects in high-energy particle collider by using space-charge forces of a low-energy electron beam. In our experiments, an electron lens, a novel instrument developed for the beam-beam compensation, was set on a 980-GeV proton bunch in the Tevatron proton-antiproton collider. The proton bunch losses due to its interaction with antiproton beam were reduced by a factor of 2 when the electron lens was operating. We describe the principle of electron lens operation and present experimental results.
Comment: submitted to Physical Review Letters, April 2, 2007. submitted to Physical Review Letters, April 2, 2007
Keywords
Physics - Accelerator Physics
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