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Gao, J.

Paper Title Page
MOPLS139 Choosing a Baseline Configuration for the ILC Damping Rings 885
 
  • A. Wolski
    Liverpool University, Science Faculty, Liverpool
  • J. Gao
    IHEP Beijing, Beijing
  • S. Guiducci
    INFN/LNF, Frascati (Roma)
  
  The damping rings for the International Linear Collider must be capable of accepting large beams from the electron and positron sources, and producing highly damped beams meeting demanding stability specifications, at the machine repetition rate of 5 Hz. Between March and November 2005, a program of studies was undertaken by an international collaboration of 50 researchers to compare a number of configuration options, including ring circumferences between 3 and 17 km. Here, we outline the studies and discuss the principal considerations in the choices of the baseline and alternative damping ring configurations.  
WEPLS060 CLIC Polarized Positron Source Based on Laser Compton Scattering 2520
 
  • F. Zimmermann, H.-H. Braun, M. Korostelev, L. Rinolfi, D. Schulte
    CERN, Geneva
  • S. Araki, Y. Higashi, Y. Honda, Y. Kurihara, M. Kuriki, T. Okugi, T. Omori, T. Taniguchi, N. Terunuma, J. Urakawa
    KEK, Ibaraki
  • X. Artru, R. Chehab, M. Chevallier
    IN2P3 IPNL, Villeurbanne
  • E.V. Bulyak, P. Gladkikh
    NSC/KIPT, Kharkov
  • M.K. Fukuda, K. Hirano, M. Takano
    NIRS, Chiba-shi
  • J. Gao
    IHEP Beijing, Beijing
  • S. Guiducci, P. Raimondi
    INFN/LNF, Frascati (Roma)
  • T. Hirose, K. Sakaue, M. Washio
    RISE, Tokyo
  • K. Moenig
    DESY Zeuthen, Zeuthen
  • H.D. Sato
    HU/AdSM, Higashi-Hiroshima
  • V. Soskov
    LPI, Moscow
  • V.M. Strakhovenko
    BINP SB RAS, Novosibirsk
  • T. Takahashi
    Hiroshima University, Higashi-Hiroshima
  • A. Tsunemi
    SHI, Tokyo
  • V. Variola, Z.F. Zomer
    LAL, Orsay
  
  We describe the possible layout and parameters of a polarized positron source for CLIC, where the positrons are produced from polarized gamma rays created by Compton scattering of a 1.3-GeV electron beam off a YAG laser. This scheme is very energy effective using high finesse laser cavities in conjunction with an electron storage ring. We point out the differences with respect to a similar system proposed for the ILC.