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$$gamma$$-flash suppression using a gated photomultiplier assembled with an LaBr$$_{3}$$(Ce) detector to measure fast neutron capture reactions

高速中性子捕獲反応測定のためのLaBr$$_{3}$$(Ce)検出器に適用したゲート付光電子増倍管による$$gamma$$フラッシュ抑制

原 かおる; 原田 秀郎  ; 藤 暢輔  ; 堀 順一*

Hara, Kaoru; Harada, Hideo; Toh, Yosuke; Hori, Junichi*

A gated photomultiplier tube assembled with a LaBr$$_3$$(Ce) detector was applied to the prompt $$gamma$$-ray measurement of fast neutron capture reactions. Time-of-flight measurements of the neutron capture reactions of Cl and Al were performed using the 46-MeV electron linear accelerator as a pulsed neutron source at the Research Reactor Institute, Kyoto University. The photomultiplier gating technique effectively suppressed the saturation of the PMT output and reduced the dead time due to the $$gamma$$ flash.

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パーセンタイル:59.76

分野:Instruments & Instrumentation

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