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- Y. S. Derbenev
Jefferson Lab, Newport News, Virginia
- V. Litvinenko
BNL, Upton, Long Island, New York
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Electron cooling is extremely successful in cooling low and medium energy ions, including protons. ERLs are promising to extend the reach of traditional electron cooling to about 100 GeV/nucleon for heavy ions. Nevertheless, cooling of protons with energies from about 100 GeV (RHIC) to few TeV (LHC) becoming very complicated or even possible. Optical stochastic cooling [1] has potential to be an instrument of choice, but it has two main shortcomings: a) it requires significant modifications of the lattices of hadron machine and b) in the case of the protons it suffers from very inefficient interaction (radiation) of protons with TEM wave. It was suggested [2] to combine advantages of electrostatic interaction with broad-band FEL-amplifier in what is now called stochastic electron cooling. Such system will naturally fit into a straight section of modern high energy hadron colliders. In this paper we present description of the cooling process and give examples of FEL-based electron cooler for protons in RHIC and LHC. [1] A. Mikhalichenko and M. Zolotorev, Phys. Rev. Lett., 71, p.4146 (1993). [2] Ya. S. Derbenev, NIM A441 (2000) 223
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Slides
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