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Christian, G.B.

Paper Title Page
RPPP013 Tests of the FONT3 Linear Collider Intra-Train Beam Feedback System at the ATF 1359
 
  • P. Burrows, G.B. Christian, C.C. Clarke, A.F. Hartin, H.D. Khah, S. Molloy, G.R. White
    Queen Mary University of London, London
  • J.C. Frisch, T.W. Markiewicz, D.J. McCormick, M.C. Ross, S. Smith, T.J. Smith
    SLAC, Menlo Park, California
  • A. Kalinin
    CCLRC/DL/ASTeC, Daresbury, Warrington, Cheshire
  • C. Perry
    OXFORDphysics, Oxford, Oxon
 
  We report preliminary results of beam tests of the FONT3 Linear Collider intra-train position feedback system prototype at the Accelerator Test Facility at KEK. The feedback system incorporates a novel beam position monitor (BPM) processor with a latency below 5 nanoseconds, and a kicker driver amplifier with similar low latency. The 56 nanosecond-long bunchtrain in the ATF extraction line was used to test the prototype with delay-loop feedback operation. The achieved latency represents a demonstration of intra-train feedback on timescales relevant even for the CLIC Linear Collider design.  
RPPP036 A Test Facility for the International Linear Collider at SLAC End Station A for Prototypes of Beam Delivery and IR Components 2461
 
  • M. Woods, R.A. Erickson, J.C. Frisch, C. Hast, R.K. Jobe, L. Keller, T.W. Markiewicz, T.V.M. Maruyama, D.J. McCormick, J. Nelson, N. Phinney, T.O. Raubenheimer, M.C. Ross, A. Seryi, S. Smith, Z. Szalata, P. Tenenbaum, M. Woodley
    SLAC, Menlo Park, California
  • D.A.-K. Angal-Kalinin, C.D. Beard, F.J. Jackson, A. Kalinin
    CCLRC/DL/ASTeC, Daresbury, Warrington, Cheshire
  • R. Arnold
    University of Massachusetts, Amherst
  • D. Bailey
    ,
  • R.J. Barlow, G.Yu. Kourevlev, A. Mercer
    UMAN, Manchester
  • S.T. Boogert, A. Liapine, S. Malton, D.J. Miller, M.W. Wing
    UCL, London
  • P. Burrows, G.B. Christian, C.C. Clarke, A.F. Hartin, S. Molloy, G.R. White
    Queen Mary University of London, London
  • D. Burton, N. Shales, J. Smith, A. Sopczak, R. Tucker
    Microwave Research Group, Lancaster University, Lancaster
  • D. Cussans
    University of Bristol, Bristol
  • C. Densham, J. Greenhalgh
    CCLRC/DL, Daresbury, Warrington, Cheshire
  • M.H. Hildreth
    Notre Dame University, Notre Dame, Iowa
  • Y.K. Kolomensky
    UCB, Berkeley, California
  • W.F.O. Müller, T. Weiland
    TEMF, Darmstadt
  • N. Sinev, E.T. Torrence
    University of Oregon, Eugene, Oregon
  • M.S. Slater, M.T. Thomson, D.R. Ward
    University of Cambridge, Cambridge
  • Y. Sugimoto
    KEK, Ibaraki
  • S.W. Walston
    LLNL, Livermore, California
  • N.K. Watson
    Birmingham University, Birmingham
  • I. Zagorodnov
    DESY, Hamburg
  • F. Zimmermann
    CERN, Geneva
 
  Funding: U.S. Department of Energy.

The SLAC Linac can deliver damped bunches with ILC parameters for bunch charge and bunch length to End Station A (ESA). A 10Hz beam at 28.5 GeV energy can be delivered to ESA, parasitic with PEP-II operation. During the engineering design phase for the ILC over the next 5 years, we plan to use this facility to prototype and test key components of the Beam Delivery System (BDS) and Interaction Region (IR). We discuss our plans for this ILC Test Facility and preparations for carrying out experiments related to Collimator Wakefields, Materials Damage Tests and Energy Spectrometers. We also plan an IR Mockup of the region within 5 meters of the ILC Interaction Point to investigate effects from backgrounds and beam rf higher-order modes (HOMs).

 
RPPP003 Proposal of the Next Incarnation of Accelerator Test Facility at KEK for the International Linear Collider 874
 
  • H. Hayano, S. Araki, H. Hayano, Y. Higashi, Y. Honda, K.-I. Kanazawa, K. Kubo, T. Kume, M. Kuriki, S. Kuroda, M. Masuzawa, T. Naito, T. Okugi, R. Sugahara, T. Tauchi, N. Terunuma, N. Toge, J.U. Urakawa, V.V. Vogel, H. Yamaoka, K. Yokoya
    KEK, Ibaraki
  • I.V. Agapov, G.A. Blair, G.E. Boorman, J. Carter, C.D. Driouichi, M.T. Price
    Royal Holloway, University of London, Surrey
  • D.A.-K. Angal-Kalinin, R. Appleby, J.K. Jones, A. Kalinin
    CCLRC/DL/ASTeC, Daresbury, Warrington, Cheshire
  • P. Bambade
    LAL, Orsay
  • K.L.F. Bane, A. Brachmann, T.M. Himel, T.W. Markiewicz, J. Nelson, N. Phinney, M.T.F. Pivi, T.O. Raubenheimer, M.C. Ross, R.E. Ruland, A. Seryi, C.M. Spencer, P. Tenenbaum, M. Woodley
    SLAC, Menlo Park, California
  • S.T. Boogert, A. Liapine, S. Malton
    UCL, London
  • H.-H. Braun, D. Schulte, F. Zimmermann
    CERN, Geneva
  • P. Burrows, G.B. Christian, S. Molloy, G.R. White
    Queen Mary University of London, London
  • J.Y. Choi, J.Y. Huang, H.-S. Kang, E.-S. Kim, S.H. Kim, I.S. Ko
    PAL, Pohang, Kyungbuk
  • S. Danagoulian
    North Carolina A&T State University, Greensboro, North Carolina
  • N. Delerue, D.F. Howell, A. Reichold, D. Urner
    OXFORDphysics, Oxford, Oxon
  • J. Gao, W. Liu, G. Pei, J.Q. Wang
    IHEP Beijing, Beijing
  • B.I. Grishanov, P.L. Logachev, F.V. Podgorny, V.I. Telnov
    BINP SB RAS, Novosibirsk
  • J.G. Gronberg
    LLNL, Livermore, California
  • Y. Iwashita, T. Mihara
    Kyoto ICR, Uji, Kyoto
  • M. Kumada
    NIRS, Chiba-shi
  • S. Mtingwa
    North Carolina University, Chapel Hill, North Carolina
  • O. Napoly, J. Payet
    CEA/DSM/DAPNIA, Gif-sur-Yvette
  • T.S. Sanuki, T.S. Suehara
    University of Tokyo, Tokyo
  • T. Takahashi
    Hiroshima University, Higashi-Hiroshima
  • E.T. Torrence
    University of Oregon, Eugene, Oregon
  • N.J. Walker
    DESY, Hamburg
 
  The realization of the International Linear Collider (ILC) will require the ability to create and reliably maintain nanometer size beams. The ATF damping ring is the unique facility where ILC emittancies are possible. In this paper we present and evaluate the proposal to create a final focus facility at the ATF which, using compact final focus optics and an ILC-like bunch train, would be capable of achieving 35nm beam size. Such a facility would enable the development of beam diagnostics and tuning methods, as well as the training of young accelerator physicists.