Photopeak profile of full energy and escape peaks in neutron capture prompt-gamma ray spectra |
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| Authors: | T. Kishikawa S. Noguchi C. Yonezawa H. Matsue A. Nakamura H. Sawahata |
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| Affiliation: | (1) Faculty of Engineering, Kumamoto University, 860 Kumamoto, Japan;(2) Department of Chemistry and Fuel Research, Tokai Establishment, Japan Atomic Energy Research Institute (JAERI), Tokai-mura, 319-11 Ibaraki, Japan;(3) Faculty of Education, Akita University, 010 Akita, Japan;(4) Research Center for Nuclear Science and Technology, The University of Tokyo, c/o JAERI, Tokai-mura, 319-11 Ibaraki, Japan |
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| Abstract: | This paper describes effect of base profile for precise measurement of photon energy in prompt  -ray analysis (PGA). The base profile has been examined in the vicinity of full energy (FE), single escape and double escape peaks. Major origins of step-wise base profiles are single and double escape events for triple photon annihilation and single and double Compton escape events for double photon annihilation in the detector, in addition to general events for the FE peak. A formula has been proposed for the quantitative characterization of the base profile. |
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