Author: Jollet, S.
Paper Title Page
MOCC4
Muon Production Target Developments for PSI’s High Intensity Proton Accelerator  
 
  • D.C. Kiselev, P. Baumann, P.-A. Duperrex, M. Haj Tahar, S. Jollet, S. Joray, P.R. Kettle, D. Laube, A. Papa, D. Reggiani, T. Rostomyan, P. Schwendimann, R. Sobbia, V. Talanov
    PSI, Villigen PSI, Switzerland
  • A. Papa
    INFN-Pisa, Pisa, Italy
 
  The high intensity proton accelerator (HIPA) at the Paul Scherrer Institut (PSI) delivers 590 MeV c.w. proton beam with currents of up to 2.4 mA, i.e. 1.4 MW beam power, which is at the forefront of current particle accelerators. Before dumping it into the spallation target SINQ for thermal and cold neutrons, the beam feeds two meson production targets Target M and Target E used for producing intense pion and muon beams for experiments of nuclear and material research. The targets consist of graphite wheels of effective thicknesses of 5 mm (Target M) and 40 mm or 60 mm (Target E). In 2019 two new graphite target designs were tested at Target Station E. One target type was aiming for better monitoring the beam position at the target, the other one improved the surface muon rate by 30 to 50 % depending on the viewing angle of the beam line. The second target type, called ’slanted’, is also foreseen for the upgrade of the Target Station M, the High Intensity Muon Beam project. First ideas towards the realization in 2028 will be presented.  
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