Author: Bozzolan, M.
Paper Title Page
THPO084 BPM Time of Flight Measurements for Setting-up the RF Cavities of the CERN Linac4 879
  • M. Bozzolan
    CERN, Geneva, Switzerland
  The newly constructed H LINAC4 at CERN has recently completed its first extended reliability run. It is equipped with Beam Position Monitors (BPMs) based on shorted-stripline pick-up electrodes to measure both position and Time of Flight (ToF). The ToF, in turn used to calculate the kinetic energy of the beam, is determined through signal phase shift measurements between pairs of BPMs. ToF measurements are performed by scanning of the phase of the RF injected into the cavities to find the nominal RF settings for optimal beam acceleration. This paper focuses on the technical aspects of the ToF measurement as well as on the results obtained during beam commissioning and their comparison with beam dynamics simulations.  
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About • paper received ※ 12 September 2018      issue date ※ 18 January 2019  
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