Long-Term Continuous In-Situ Measurement of Gamma Rays Using Ge Semiconductor Detector

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概要

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• We developed a long-term continuous measurement method for in-situ gamma-ray measurement using a Ge semiconductor detector (in-situ Ge measurement), and performed continuous measurement for 36 months by the method. A measurement system was successfully stably operated for a long period, and it was confirmed that artificial radioactive nuclides were able to be detected at high sensitivity. A counting rate of each of 214Pb and 214Bi was increased about twice in correspondence to slight increase in environmental radiation dose rate of about 10% as a measurement value of a monitoring post using a NaI (Tl) detector. The problem of discriminating between natural radiation and radiation from man-made source was solved by this system.

著者

• IKUTA Misao

  Shimane Prefectural Institute of Public Health and Environmental Science

• EZUMI Shuichi

  Shimane Prefectural Institute of Public Health and Environmental Science

• SUZUKI Takahiro

  Canberra Japan

• ENOMOTO Mikio

  Canberra Japan

関連論文

• Long-Term Continuous In-Situ Measurement of Gamma Rays Using Ge Semiconductor Detector
• Car-Borne Survey Using Ge Semiconductor Detector in the Chugoku Region of Japan
• Long-Term Continuous In-Situ Measurement of Gamma Rays Using Ge Semiconductor Detector

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