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spectrometry of terrestrial gamma rays using portable germanium detectors in area of 80 km radius around the Fukushima Daiichi Nuclear Power PlantMikami, Satoshi; Tanaka, Hiroyuki*; Okuda, Naotoshi*; Sakamoto, Ryuichi*; Ochi, Kotaro; Uno, Kiichiro*; Matsuda, Norihiro; Saito, Kimiaki
Nihon Genshiryoku Gakkai Wabun Rombunshi, 20(4), p.159 - 178, 2021/12
In order to know the background radiation level where the area affected by the Fukushima Daiichi Nuclear Power Plant accident in 2011, terrestrial gamma rays had been measured by using portable germanium detectors repeatedly from 2013 through 2019, at 370 locations within 80 km radius area centered on the Fukushima Daiichi Nuclear Power Plant. Radioactive concentrations of Uranium 238, Thorium 232, Potassium 40 and kerma rates in air due to terrestrial gamma rays were obtained at those locations based on the method of ICRU report 53. Averaged concentrations of 
U, 
Th and 
K were 18.8, 22.7, 428 Bq/kg, respectively, and kerma rate in air over the area was found to be 0.0402 
Gy/h. The obtained kerma rates in air were compared to those reported in literatures. It was confirmed that the data were correlated with each other, and were agreed within the range of their uncertainty. This is because the kerma rate in air due to terrestrial gamma rays is depend on geology. The similar trend to previous findings was observed that the kerma rate in air at locations geologically classified as Mesozoic era, Granite and Rhyolite were statistically significantly higher than the others.
Se(
, n) cross section and uncertainty evaluation of the 
Se(n, ) cross sectionKitatani, Fumito; Harada, Hideo; Goko, Shinji*; Iwamoto, Nobuyuki; Utsunomiya, Hiroaki*; Akimune, Hidetoshi*; Toyokawa, Hiroyuki*; Yamada, Kawakatsu*; Igashira, Masayuki*
Journal of Nuclear Science and Technology, 53(4), p.475 - 485, 2016/04
Times Cited Count：5 Percentile：43.41(Nuclear Science & Technology)Yokoseki, Takashi; Abe, Hiroshi; Makino, Takahiro; Onoda, Shinobu; Tanaka, Yuki*; Kandori, Mikio*; Yoshie, Toru*; Hijikata, Yasuto*; Oshima, Takeshi
Materials Science Forum, 821-823, p.705 - 708, 2015/07
-raysYoshikawa, Masahito; *; Oshima, Takeshi; Ito, Hisayoshi; Nashiyama, Isamu; *; Onishi, K.*; Okumura, Hajime*; Yoshida, Sadafumi*
Mater. Sci. Forum, 264-268, p.1017 - 1020, 1998/00
no abstracts in English
Yoshikawa, Masahito; Nemoto, N.*; Ito, Hisayoshi; Okumura, Hajime*; *; Yoshida, Sadafumi*; Nashiyama, Isamu
Mater. Sci. Eng., B, 47(3), p.218 - 223, 1997/00
Times Cited Count：1 Percentile：11.83(Materials Science, Multidisciplinary)no abstracts in English
Kojima, Takuji; Morishita, Norio; Ito, Hisayoshi; S.Biramontri*
Applied Radiation and Isotopes, 47(4), p.457 - 459, 1996/00
Times Cited Count：4 Percentile：39.42(Chemistry, Inorganic & Nuclear)no abstracts in English
*; Tanaka, Shunichi; Sakamoto, Yukio; Nakane, Yoshihiro;
JAERI-Data/Code 94-003, 70 Pages, 1994/08
JAERI-Data-Code-94-003.pdf:3.31MB
no abstracts in English
; *; Kitao, Kensuke*
JAERI-M 94-059, 112 Pages, 1994/03
no abstracts in English
; Kitao, Kensuke*
JAERI-M 92-051, 115 Pages, 1992/03
no abstracts in English
; Watanabe, Hiroshi; ; Tano, Shigemitsu*
Dai-2-Kai Genken, Daigaku Purojekuto Kyodo Kenkyu Seika Happyokai Hobunshu, 0, p.100 - 103, 1992/00
no abstracts in English
; Kitao, Kensuke*
JAERI-M 91-037, 332 Pages, 1991/03
no abstracts in English
; ; *;
JAERI-M 84-177, 20 Pages, 1984/10
no abstracts in English
Arakawa, Kazuo; Seguchi, Tadao
Kobunshi Rombunshu, 41(12), p.733 - 738, 1984/00
Times Cited Count：5 Percentile：38.4(Polymer Science)no abstracts in English
*;
Nuclear Science and Engineering, 87, p.478 - 489, 1984/00
Times Cited Count：22 Percentile：95.83(Nuclear Science & Technology)no abstracts in English
; *; ; ; ; ; ; ; ; ; et al.
JAERI-M 82-201, 60 Pages, 1982/12
no abstracts in English
; ; *; *;
JAERI-M 8791, 44 Pages, 1980/03
no abstracts in English
; ; *; *; Nakazawa, Masaharu*; *; *; *; ; *; et al.
JAERI-M 7843, 219 Pages, 1978/09
no abstracts in English
; ;
IEEE Transactions on Nuclear Science, 23(1), p.726 - 733, 1976/01
Times Cited Count：8no abstracts in English
Nihon Genshiryoku Gakkai-Shi, 17(8), p.432 - 438, 1975/08
no abstracts in English
C; *
Agricultural and Biological Chemistry, 37(2), p.233 - 242, 1973/02
no abstracts in English
