Estimation of dose-depth profile in the surface layers of a quartz-containing tile from the former Hiroshima University building indicates the possible presence of beta-irradiation from residual radioactivity after A-bombing
Stepanenko V. Kaprin A. Ivanov S. Shegay P. Sato H. Toyoda S. Kawano N. Fujimoto N. Endo S. Bogacheva V. Kolyzhenkov T. Khailov A. Zhumadilov K. Zhumalina A. Yerimbetova D. Hoshi M.
1 September 2022Oxford University Press
Journal of Radiation Research
2022#63I54 - I60 pp.
The problem of differentiating between primary irradiation and exposure due to residual radioactivity following A-bombing (including beta-exposure), is the subject of special attention and discussions in order to understand the health effects following the Hiroshima and Nagasaki A-bombings, especially among newcomers to cities soon after the detonations. In this work, the method of single quartz grain luminescence retrospective dosimetry was applied for a retrospective estimation of the dose-depth profile in a quartz-containing tile extracted from the building of former Hiroshima University (HU), which was a witness of the Hiroshima atomic bombing on the 6 August 1945. It has been shown that results of retrospective estimates of the dose-depth profile using the method of optically stimulated luminescence (OSL) from inclusions of quartz grains in very thin layers of the sample, in combination with the calculations of the dose-depth profile using the Monte Carlo method, indicates the possible presence of beta irradiation of thin layers of the sample located near the surface of the tile facing the air, where there is no electronic equilibrium from gamma radiation.
A-bombing , beta-irradiation , depth-dose profile in quartz-containing samples , Hiroshima , optically-stimulated retrospective luminescence dosimetry , residual radioactivity
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A. Tsyb Medical Radiological Research Center, Branch of the National Medical Research Radiological Center, The Ministry of Health of the Russian Federation, Koroleva Str., 4., Kaluga Region, Obninsk, 2490036, Russian Federation
National Medical Research Radiological Center, The Ministry of Health of the Russian Federation, Koroleva Str., 4., Kaluga Region, Obninsk, 2490036, Russian Federation
Ibaraki Prefectural University of Health Sciences, 4669-2, Ami-chyo Ami, Inashiki-gun, Ibaraki, 300-0394, Japan
Department of Applied Physics, Okayama University of Science, 1-1 Ridai, Kita-ku, Okayama, 700-0005, Japan
The Center for Peace Hiroshima University, Higashisenda-machi 1-1-89, Naka-ku, Hiroshima, 730-0053, Japan
Research Institute for Radiation Biology and Medicine, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi, Hiroshima, 739-8527, Japan
L.N. Gumilyov Eurasian National University, Munaipasova Str. 13, Nur Sultan, 010008, Kazakhstan
A. Tsyb Medical Radiological Research Center
National Medical Research Radiological Center
Ibaraki Prefectural University of Health Sciences
Department of Applied Physics
The Center for Peace Hiroshima University
Research Institute for Radiation Biology and Medicine
Graduate School of Advanced Science and Engineering
L.N. Gumilyov Eurasian National University
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