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藤田 真奈美; 細見 健二; 石川 勇二*; 叶内 萌香*; 小池 武志*; 小椋 裕*; 田村 裕和; 谷田 聖; 鵜養 美冬*; 山本 剛史
Nuclear Instruments and Methods in Physics Research A, 1042, p.167439_1 - 167439_9, 2022/11
被引用回数:1 パーセンタイル:56.43(Instruments & Instrumentation)atomic X-ray spectroscopy is a powerful method of studying the N interaction, for which very limited experimental data are currently available. For this reason, we constructed a germanium (Ge) detector array referred to as Hyperball-X and conducted the first-ever atomic X-ray measurements in 2016 and 2017 at J-PARC. We developed a novel method for in-beam energy calibration of Ge detectors. Three rays (202 keV, 307 keV, and 511 keV) from Lu in LSO scintillation counters and Na source were used as reference. The and coincidence detection using the Ge detectors and LSO counters allows for continuous in-beam calibration with this new calibration method, and the calibration uncertainty is reduced to less than 100 eV for energies ranging from 202 to 511 keV.