Characterization of germanium detectors for the measurement of the angular distribution of prompt γ-rays at the ANNRI in the MLF of the J-PARC

S. Takada, T. Okudaira, F. Goto, K. Hirota, A. Kimura, M. Kitaguchi, J. Koga, T. Nakao, K. Sakai, H. M. Shimizu, T. Yamamoto, T. Yoshioka

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Abstract

In this study, the germanium detector assembly, installed at the Accurate Neutron-Nuclear Reaction measurement Instruments (ANNRI) in the Material and Life Science Facility (MLF) operated by the Japan Proton Accelerator Research Complex (J-PARC), has been characterized for extension to the measurement of the angular distribution of individual γ-ray transitions from neutron-induced compound states. We have developed a Monte Carlo simulation code using the GEANT4 toolkit, which can reproduce the pulse-height spectra of γ-rays from radioactive sources and (n,γ) reactions. The simulation is applicable to the measurement of γ-rays in the energy region of 0.5-11.0 MeV.

Original languageEnglish
Article numberP02018
JournalJournal of Instrumentation
Volume13
Issue number2
DOIs
Publication statusPublished - Feb 16 2018

All Science Journal Classification (ASJC) codes

  • Mathematical Physics
  • Instrumentation

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    Takada, S., Okudaira, T., Goto, F., Hirota, K., Kimura, A., Kitaguchi, M., Koga, J., Nakao, T., Sakai, K., Shimizu, H. M., Yamamoto, T., & Yoshioka, T. (2018). Characterization of germanium detectors for the measurement of the angular distribution of prompt γ-rays at the ANNRI in the MLF of the J-PARC. Journal of Instrumentation, 13(2), [P02018]. https://doi.org/10.1088/1748-0221/13/02/P02018