Author: Skowronski, P.K.     [Skowroński, P.K.]
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TUPRO018 Prospects for the LHC Optics Measurements and Corrections at Higher Energy 1046
 
  • R. Tomás, T. Bach, J.M. Coello de Portugal, V. Kain, M. Kuhn, A. Langner, Y.I. Levinsen, K.S.B. Li, E.H. Maclean, N. Magnin, V. Maier, M. McAteer, T. Persson, P.K. Skowroński, R. Westenberger
    CERN, Geneva, Switzerland
  • E.H. Maclean
    JAI, Oxford, United Kingdom
  • S.M. White
    BNL, Upton, Long Island, New York, USA
  
  LHC will resume operation in 2015 at 6.5 TeV. The higher energy allows for smaller IP beta functions, further enhancing the optics errors in the triplet quadrupoles. Moreover the uncertainty in the calibration of some quadrupoles will slightly increase due to saturation effects. The complete magnetic cycle of the LHC will take longer due to the higher energy and extended squeeze sequence. All these issues require more precise and more efficient optics measurements and corrections to guarantee the same optics quality level as in 2012 when a 7% peak beta-beating was achieved. This paper summarizes the on-going efforts for achieving faster and more accurate optics measurements and corrections.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-TUPRO018  
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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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