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Durante, M.

Paper Title Page
MOPAN085 Completion of the Series Fabrication of the Main Superconducting Quadrupole Magnets of LHC 356
 
  • T. Tortschanoff, M. Modena, Y. Papaphilippou, L. Rossi, K. M. Schirm
    CERN, Geneva
  • R. Burgmer, H.-U. Klein, D. Krischel, B. Schellong, P. Schmidt
    ACCEL, Bergisch Gladbach
  • M. Durante, A. Payn, J.-M. Rifflet, F. Simon
    CEA, Gif-sur-Yvette
 
  By end of November 2006, the last cold mass of the main superconducting quadrupole cold masses were delivered by ACCEL Instruments to CERN. This comprised 360 cold masses for the arc regions of the machine and 32 special units dedicated to the dispersion suppressor regions. The latter ones contain the same main magnet but different types of correctors and are of increased length with respect to the regular arc ones. The end of the fabrication of these magnets coincided with the end of the main dipole deliveries allowing a parallel assembly into their cryostats and installation into the LHC tunnel. The positioning into the tunnel was optimized using the warm field measurements performed in the factory. On the other hand the correct slotting of the quadrupoles was complicated due to the multitude of variants and by the fact that a number of units needed to be replaced by spares which in some cases required a reshuffling of the positioning. The paper gives some final data about the successful fabrication at ACCEL Instruments and explains the issue of their best positions in the machine.  
THPMN005 Technical Challenges for Head-On Collisions and Extraction at the ILC 2716
 
  • O. Napoly, O. Delferriere, M. Durante, J. Payet, C. Rippon, D. Uriot
    CEA, Gif-sur-Yvette
  • M. Alabau, P. Bambade, J. Brossard, O. Dadoun, C. Rimbault
    LAL, Orsay
  • D. A.-K. Angal-Kalinin, F. Jackson, S. I. Tzenov
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire
  • R. Appleby
    UMAN, Manchester
  • B. Balhan, J. Borburgh, B. Goddard
    CERN, Geneva
  • Y. Iwashita
    Kyoto ICR, Uji, Kyoto
  • L. Keller
    SLAC, Menlo Park, California
  • S. Kuroda
    KEK, Ibaraki
  • G. L. Sabbi
    LBNL, Berkeley, California
 
  Funding: EUROTeV Project Contract no.011899 RIDS

An interaction region with head-on collisions is considered as an alternative to the baseline ILC configuration. Progress in the final focus optics design includes engineered large bore superconducting final doublet magnets and their 3D magnetic integration in the detector solenoids. Progress on the beam separation optics is based on technical designs of electrostatic separator and special extraction quadripoles. The spent beam extraction is realized by a staged collimation scheme relying on realistic collimators. The impact on the detector background is estimated. The possibility of technical tests of the most challenging components is investigated.