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scattering

Paper Title Other Keywords Page
CT11 The OTR Screen Betatron Matching Monitor of the CERN SPS injection, betatron, emittance, optics 90
 
  • C. Bovet, R.J. Colchester, G. Ferioli, J.J. Gras, R. Jung, J.M. Vouillot
    CERN, Geneva, Switzerland
  In order to satisfy the stringent emittance requirements of LHC, betatron matching monitors, based on multiturn beam profile measurements, have been proposed for the SPS and LHC. A test monitor has been installed for evaluation in the CERN SPS first in 1996 and improved in 1997. It is based on an OTR screen and a fast beam profile acquisition system. It has been used with proton beams to assess the quality of the betatron matching from the PS to the SPS in 1998. Experience and results are presented.  
 
PT12 Aspects of bunch shape measurements for low, intense ions beams ion, target, rfq, electron 186
 
  • P. Forck, F. Heymach, U. Meyer, P. Moritz, P. Strehl
    GSI, Gesellschaft für Schwerionenforschung, Darmstadt, Germany
  For the characterisation of the ion beam delivered by the new High Current LINAC at GSI, the time structure of bunches and the knowledge concerning their intensity distribution in longitudinal phase space is of great importance. At least 100ps time resolution and the capability of measuring long tails in the distribution were design parameters. Taking advantage of Rutherford-scattering to reduce the count rate, a direct time of flight measurement technique using diamond detectors can be applied. First results are reported. Plans for determine the energy of individual ions by detecting secondary electrons emitted from a thin C foil using 1m drift are discussed.