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Report No.

Development of a neutron beam monitor with a thin plastic scintillator for nuclear data measurement using spallation neutron source

Nakano, Hideto*; Katabuchi, Tatsuya*; Rovira Leveroni, G.   ; Kodama, Yu*; Terada, Kazushi*; Kimura, Atsushi   ; Nakamura, Shoji  ; Endo, Shunsuke   

A neutron monitoring detection system was developed for neutron capture cross section measurement using a spallation neutron source. A combination of a plastic scintillator and a thin $$^{6}$$LiF foil was adopted for the detector. The detector system was tested to study the feasibility of the system. Neutron irradiation experiments were conducted with the Accurate Neutron-Nucleus Reaction Measurement Instrument in the Materials and Life Science facility of the Japan Proton Accelerator Research Complex. A neutron time-of-flight spectrum was successfully measured without significant count loss or detector paralysis. The statistical uncertainty reached 0.7% at neutron energies around 6 meV.



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Category:Nuclear Science & Technology



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