Double-differential cross section measurement with low threshold detector for proton production induced by several tens of MeV protons
1 Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
2 High Energy Accelerator Research Organization (KEK), Japan
3 National Institutes for Quantum and Radiological Science and Technology, Japan
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Published online: 30 September 2020
We have developed a low threshold detector consisting of Bragg curve counter (BCC), two siliconsurface barrier detectors (SSDs) and BGO scintillator to obtain experimental double-differential cross section (DDX) data for low energy proton production. Since the BCC offers advantage of self particle identification capability and a few μm-thick entrance window, protons produced by nuclear reactions down to 1 MeV have been identified. The capability of the detector is demonstrated in measurements using 70-MeV protons. Measured spectra are compared with calculation results of intra-nuclear cascade (INC) plus evaporation models and nuclear data library.
© The Authors, published by EDP Sciences, 2020
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