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Beam performance and luminosity limitations in the High-Energy Storage Ring (HESR)

By A. Lehrach, O. Boine-Frankenheim, F. Hinterberger, R. Maier and D. Prasuhn


The high-energy storage ring (HESR) of the future International Facility for Antiproton and Ion Research (FAIR) at GSI in Darmstadt is planned as an antiproton synchrotron storage ring in the momentum range 1.5-15 GeV/c. An important feature of this new facility is the combination of phase space cooled beams and dense internal targets (e.g. pellet targets), which results in demanding beam parameter requirements for two operation modes: high luminosity mode with peak luminosities to 2 x 10(32) cm(-2) s(-1), and high-resolution mode with a momentum spread down to 10(-5). To reach these beam parameters one needs a very powerful phase space cooling, utilizing high-energy electron cooling and high-bandwidth stochastic cooling. The effects of beam-target scattering and intra-beam interaction are investigated in order to study beam equilibria and beam losses for the two different operation modes. (c) 2006 Elsevier B.V. All rights reserved

Topics: info:eu-repo/classification/ddc/530, anti-p: storage ring, target: internal, luminosity, beam cooling: electron cooling, beam cooling: stochastic cooling, beam loss, beam: multiple scattering, beam: lifetime, Darmstadt Lab, storage ring, beam-target interaction, intra-beam scattering, phase space cooling
Publisher: North-Holland Publ. Co.
Year: 2006
DOI identifier: 10.1016/j.nima.2006.01.017
OAI identifier:

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