Author: Stocchi, A.
Paper Title Page
WEPCF04 The SE-CpFM Detector for the Crystal-Assisted Extraction at CERN-SPS 419
 
  • F.M. Addesa, G. Cavoto, F. Iacoangeli
    INFN-Roma, Roma, Italy
  • L. Burmistrov, S. Dubos, V. Puill, A. Stocchi
    LAL, Orsay, France
  • M. Garattini, S. Montesano, W. Scandale
    CERN, Geneva, Switzerland
  • M. Garattini
    Imperial College of Science and Technology, Department of Physics, London, United Kingdom
 
  The UA9 experiment at CERN-SPS investigates the manipulation of high energy hadron beams using bent silicon crystals since 2009. Monitoring and characterization of channeled beams in the high energy accelerators environment ideally requires in-vacuum and radiation hard detectors. For this purpose the Cherenkov detector for proton Flux Measurement (CpFM) was designed and developed. It features a fused silica bar in the beam pipe vacuum which intercepts charged particles and generates Cherenkov light. In this contribution the SE-CpFM (Slow Extraction CpFM) detector is described in detail. It has been installed in early 2016 in the TT20 extraction line of SPS to study the feasibility of the crystal-assisted extraction from the SPS. Before the installation the detector has been fully characterized in 2015, during the UA9 data taking in the H8-SPS extraction line with 180 GeV pions. The single particle detection efficiency and the photoelectron yield per proton have been estimated and are shown in this contribution.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2017-WEPCF04  
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