Effect of unclear interaction loss of protons in the response of CsI(Tl) scintillator

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  • Hayashi Masateru
    Department of Advanced Energy Engineering Science, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
  • Watanabe Yukinobu
    Faculty of Engineering Sciences, Kyushu University
  • Blomgren Jan
    Department of Neutron Research, Uppsala University, Sweden
  • Nilsson Leif
    Department of Neutron Research, Uppsala University, Sweden
  • Ohrn Angelica
    Department of Neutron Research, Uppsala University, Sweden
  • Osterlund Michael
    Department of Neutron Research, Uppsala University, Sweden
  • Pomp Stephan
    Department of Neutron Research, Uppsala University, Sweden
  • Prokofiev Alexander
    The Svedberg Laboratory, Uppsala University, Sweden | The Svedberg Laboratory, Uppsala University, Sweden
  • Simutkin Vasily
    Department of Neutron Research, Uppsala University, Sweden
  • Soderstrom Par-Anders
    Department of Neutron Research, Uppsala University, Sweden
  • Tippawan Udomrat
    Fast Neutron Research Facility, Chiang Mai university, Thailand | Fast Neutron Research Facility, Chiang Mai university, Thailand

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Other Title
  • CsI(Tl)シンチレータ応答に対する陽子の核反応損失
  • CsI Tl シンチレータ オウトウ ニ タイスル ヨウシ ノ カクハンノウ ソンシツ

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Abstract

Nuclear interaction loss of protons in a CsI(Tl) scintillator has been measured at 160 MeV by direct exposure of ⊿E-E counter telescopes to proton beams delivered to the B beam line in the The Svedberg Laboratory (TSL). The experimental result shows a good agreement with a Monte Carlo calculation using the PHITS code, and the PHITS calculation is validated. The correction for proton loss in the CsI(Tl) response is estimated for proton energies up to 200 MeV on the basis of the PHITS calculation. The present correction method is applied to the data analysis of 175 MeV neutron induced proton production for carbon measured at the MEDLEY facility in TSL.

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