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Ramberger, S.

Paper Title Page
MOHP01

 Normal-Conducting Separation and Compensation Dipoles for the LHC Experimental Insertions 

  • D.Gurov, O.Kiselev, I.Morozov, A.Ogurtsov, V.Petrov, E.Ruvinsky, A.Sukhanov K.Zhilayev
    Budker Institute of Nuclear Physics, Novosibirsk, Russia
  • D.Cornuet, D.Gérard, W.Kalbreier, S.Ramberger, G. de Rijk
    CERN, Switzerland

The experimental insertions of the LHC employ normal-conducting magnets to provide for part of the beam separation and to compensate the effect of two large spectrometer dipoles. In the interaction regions IR1 for the ATLAS experiment and IR5 for the CMS experiment, each of the optical elements D1 for beam separation on either side of the experiment consist of 6 MBXW dipoles. Each magnet has a core length of 3.4 m, a large single aperture with a gap height of 63 mm and will operate in the field range up to 1.5 T. The MBXWT and MBXWS magnets are shorter versions of the MBXW magnet and will be used as vertical and horizontal compensation dipoles for the spectrometer dipoles in IR2 for the ALICE and in IR8 for the LHCb experiments respectively. The MBXWT and MBXWS have a core length of 1.5m and 0.75m respectively. Additionally on MBXW magnet serves as a main compensator for the LHCb experiment. The magnet design was done in collaboration between CERN and BINP and the dipole magnets are produced by BINP. So far all three MBXWS, all three MBXWT and thirteen of twenty-nine MBXW magnets including spares have been manufactured and delivered to CERN. The report presents the main design issues and results of the acceptance tests including mechanical, electrical and magnetic field measurements

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