Cosmic-Ray Contribution to the Background of NaI Scintillation Spectrometers
スポンサーリンク
概要
- 論文の詳細を見る
The cosmic-ray contribution to the background of a 3-in. by 3-in. NaI detector in an iron room has been studied by coincidence technique with a 4π plastic scintillator convering former detector. The NaI detector was surrounded by various material inside the 4π guard detector in order to find the effect of the surrounding material. The observed counting rate due to the cosmic-ray component was about 19% of the total background in 0.1-0.4 MeV and 31% in 0.6-0.9 MeV when the NaI detector was surrounded by 5 cm lead. The cosmic-ray contribution did not critically depend upon the atomic number of the surroundings in the energy of 0.6-0.9 MeV and in the annihilation peak but it decreased rapidly with increasing atomic number in 0.1-0.4 MeV.
- 社団法人応用物理学会の論文
- 1965-10-15
著者
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Iinuma Takeshi
Department Of Physics The National Institute Of Radiological Sciences
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Itoh Susumu
Department Of Physics The National Institute Of Radiological Sciences
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Itoh Susumu
Department Of Electrical Engineering Faculty Of Science And Technology Science University Of Tokyo
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Tanaka Eiichi
Department Of Mechanical Engineering Nagoya Univeisity
-
Tanaka Eiichi
Department Of Physics The National Institute Of Radiological Sciences
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HIRAMOTO Toshiyuki
Department of Physics, The National Institute of Radiological Sciences
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Tanaka Eiichi
Department Of Applied Physics And Chemistry The University Of Electro-communications
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Hiramoto Toshiyuki
Department Of Physics The National Institute Of Radiological Sciences
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