Author: Collomb, N.A.
Paper Title Page
TUPRO113 Design and Measurement of a Low-energy Tunable Permanent Magnet Quadrupole Prototype 1316
 
  • B.J.A. Shepherd, J.A. Clarke, P. Wadhwa
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom
  • A. Bartalesi, M. Modena, M. Struik
    CERN, Geneva, Switzerland
  • N.A. Collomb
    STFC/DL, Daresbury, Warrington, Cheshire, United Kingdom
  
  The 42 km long CLIC Drive Beam Decelerator (DBD) will decelerate beams of electrons from 2.4 GeV to 240 MeV. ASTeC in collaboration with CERN has developed a novel type of tunable permanent magnet quadrupole for the DBD. Two versions of the design were produced, for the high-energy and low-energy ends of the DBD respectively. This paper outlines the design of the low-energy version, which has a tuning range of 3.5-43 T/m. A prototype was built at Daresbury Laboratory (DL) in 2013, and extensive magnetic measurements were carried out at DL.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-TUPRO113  
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TUPME008 Status of the CLIC-UK R&D Programme on Design of Key Systems for the Compact Linear Collider 1354
 
  • P. Burrows, R. Ainsworth, T. Aumeyr, D.R. Bett, N. Blaskovic Kraljevic, L.M. Bobb, S.T. Boogert, A. Bosco, G.B. Christian, L. Corner, F.J. Cullinan, M.R. Davis, D. Gamba, P. Karataev, K.O. Kruchinin, A. Lyapin, L.J. Nevay, C. Perry, J. Roberts, J. Snuverink, J.R. Towler
    JAI, Egham, Surrey, United Kingdom
  • R. Ainsworth, T. Aumeyr, S.T. Boogert, A. Bosco, P. Karataev, K.O. Kruchinin, L.J. Nevay, J.R. Towler
    Royal Holloway, University of London, Surrey, United Kingdom
  • P.K. Ambattu, G. Burt, A.C. Dexter, M. Jenkins, S. Karimian, C. Lingwood, B.J. Woolley
    Cockcroft Institute, Lancaster University, Lancaster, United Kingdom
  • L.M. Bobb, R. Corsini, D. Gamba, A. Grudiev, A. Latina, T. Lefèvre, C. Marrelli, M. Modena, J. Roberts, H. Schmickler, D. Schulte, P.K. Skowroński, J. Snuverink, S. Stapnes, F. Tecker, R. Tomás, R. Wegner, M. Wendt, W. Wuensch
    CERN, Geneva, Switzerland
  • J.A. Clarke, S.P. Jamison, P.A. McIntosh, B.J.A. Shepherd
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom
  • N.A. Collomb, D.G. Stokes
    STFC/DL, Daresbury, Warrington, Cheshire, United Kingdom
  • L. Corner
    Oxford University, Physics Department, Oxford, Oxon, United Kingdom
  • W.A. Gillespie, R. Pan, M.A. Tyrk, D.A. Walsh
    University of Dundee, Nethergate, Dundee, Scotland, United Kingdom
  • R.M. Jones
    UMAN, Manchester, United Kingdom
  
  Six UK institutes are engaged in a collaborative R&D programme with CERN aimed at demonstrating key aspects of technology feasibility for the Compact Linear Collider (CLIC). We give an overview and status of the R&D being done on: 1) Drive-beam components: quadrupole magnets and the beam phase feed-forward prototype. 2) Beam instrumentation: stripline and cavity beam position monitors, an electro-optical longitudinal bunch profile monitor, and laserwire and diffraction and transition radiation monitors for transverse beam-size determination. 3) Beam delivery system and machine-detector interface design, including beam feedback/control systems and crab cavity design and control. 4) RF structure design. In each case, where applicable, we report on the status of prototype systems and performance tests with beam at the CTF3, ATF2 and CesrTA test facilities, including plans for future experiments.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-TUPME008  
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