Masaki Andoh

Profile Information

Affiliation: Japan Atomic Energy Agency

J-GLOBAL ID: 201801011768676712
researchmap Member ID: B000340827

Research Areas

Environmental science/Agricultural science / Environmental dynamics /

Papers

Determination of parameters for an equation to obtain natural background radiation using KURAMA-II loaded with C12137-01 type CsI(Tl) detector

Ando Masaki, Matsuda Norihiro, Saito Kimiaki

Nihon Genshiryoku Gakkai Wabun Rombunshi, 20(1) 34-39, Mar, 2021 Peer-reviewed
Evaluation of decreasing trend in air dose rate and ecological half-life within an 80 km range from Fukushima Dai-ichi Nuclear Power Plant, using car-borne survey data measured by KURAMA systems up to 2018

Masaki Andoh, Miyuki Sasaki, Kimiaki Saito

Journal of Nuclear Science and Technology, 1-13, 2020 Peer-reviewed
External dose evaluation based on detailed air dose rate measurements in living environments

Tetsuro Sato, Masaki Andoh, Masako Sato, Kimiaki Saito

Journal of Environmental Radioactivity, 210, Dec, 2019 Peer-reviewed
Temporal Change in Radiological Environments on Land after the Fukushima Daiichi Nuclear Power Plant Accident

Kimiaki Saito, Satoshi Mikami, Masaki Andoh, Norihiro Matsuda, Sakae Kinase, Shuichi Tsuda, Tetsuro Sato, Akiyuki Seki, Yukihisa Sanada, Haruko Wainwright-Murakami …

Journal of Radiation Protection and Research, 44(4) 128-148, Dec, 2019 Peer-reviewed
The deposition densities of radiocesium and the air dose rates in undisturbed fields around the Fukushima Dai-ichi nuclear power plant; their temporal changes for five years after the accident

Satoshi Mikami, Hiroyuki Tanaka, Hideo Matsuda, Shoji Sato, Yoshifumi Hoshide, Naotoshi Okuda, Takeo Suzuki, Ryuichi Sakamoto, Masaki Andoh, Kimiaki Saito

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY, Mar, 2019 Peer-reviewed
Summary of temporal changes in air dose rates and radionuclide deposition densities in the 80 km zone over five years after the Fukushima Nuclear Power Plant accident

Kimiaki SAITO, Satoshi MIKAMI, Masaki ANDOH, Norihiro MATSUDA, Sakae KINASE, Shuichi TSUDA, Tadayoshi YOSHIDA, Tetsuro SATO, Akiyuki SEKI, HIdeaki YAMAMOTO …

Journal of Environmental Radioactivity, 210 105878-105878, 2019 Peer-reviewed
Decreasing trend of ambient dose equivalent rates over a wide area in eastern Japan until 2016 evaluated by car-borne surveys using KURAMA systems

Masaki Andoh, Satoshi Mikami, Shuichi Tsuda, Tadayoshi Yoshida, Norihiro Matsuda, Kimiaki Saito

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY, 192 385-398, Dec, 2018 Peer-reviewed
Application of Extended Bias Factor Method to Neutronic Characteristics of Light Water Breeding Reactor using FCA Experiments

KUGO Teruhiko, ANDOH Masaki, KOJIMA Kensuke, MORI Takamasa, NAKANO Yoshihiro, OKAJIMA Shigeaki, KITADA Takanori, TAKEDA Toshikazu

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan, 2007 220-220, 2007
Core Characteristics Prediction Technique for High Enriched MOX Fueled Tight Lattice Core (4):- 2.Evaluation of Applicability of FCA Experiments to Void Reactivity of Light Water Breeding Reactor -

KUGO Teruhiko, KOJIMA Kensuke, ANDOH Masaki, OKAJIMA Shigeaki, MORI Takamasa, TAKEDA Toshikazu, KITADA Takanori

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan, 2006 161-161, 2006
Core Characteristics Prediction Technique for High Enriched MOX Fueled Tight Lattice Core (3):- 2.Evaluation of Applicability of FCA Experiments to Light Water Breeding Reactor Criticality -

KUGO Teruhiko, KOJIMA Kensuke, ANDOH Masaki, OKAJIMA Shigeaki, MORI Takamasa, TAKEDA Toshikazu, KITADA Takanori, MATSUOKA Shogo

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan, 2005 153-153, 2005
Benchmark test for JENDL-3.3 library by analyses of a series of experiments at the fast critical assembly (FCA) of JAERI

S Okajima, M Fukushima, M Andoh

International Conference on Nuclear Data for Science and Technology, Pts 1 and 2, 769 476-479, 2005 Peer-reviewed
Experimental cores for benchmark experiments of effective delayed neutron fraction beta(eff) at FCA

T Sakurai, S Okajima, M Andoh, T Osugi

PROGRESS IN NUCLEAR ENERGY, 35(2) 131-156, 1999 Peer-reviewed
Delayed neutron emission measurements for fast fission of U-235, Np-237, and Am-243

W Charlton, T Parish, S Raman, N Shinohara, M Andoh

INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY, VOL 59, PT 1 AND 2, 59 491-493, 1997 Peer-reviewed

Misc.

Study of the applicability of SrI$_{2}$(Eu) scintillation detector to in-situ gamma-ray spectrometry

Takeyasu Masanori, Mikami Satoshi, Ando Masaki, Hokama Tomonori

JAEA-Testing 2023-005, 17, Mar, 2024
Result of measurement of the ambient dose equivalent rates by car-borne surveys using KURAMA-II from 2012 until 2019

Ando Masaki, Saito Kimiaki

JAEA-Technology 2021-032, 66, Mar, 2022
Radiation monitoring using manned helicopter around the Nuclear Power Station in the fiscal year 2020 (Contract research)

普天間章, 眞田幸尚, 石崎梓, 川崎義晴, 岩井毅行, 平賀祥吾, 佐藤一彦, 萩野谷仁, 松永祐樹, 菊池陽 …

日本原子力研究開発機構JAEA-Technology(Web), (2021-029), 2022
Investigation on distribution of radioactive substances in Fukushima (8) Estimation of exposed dose by measurement of air dose rate considering daily activity pattern

佐藤哲朗, 吉村和也, 佐藤里奈, 金井塚清一, 眞田幸尚, 安藤真樹, 斎藤公明

日本原子力学会秋の大会予稿集(CD-ROM), 2020, 2020
Measurement of air dose rates by walk survey using KURAMA-II within 80 km range from Fukushima Dai-ichi Nuclear Power Plant

Ando Masaki

Hokeikyo Nyusu, (63) 2-5, Apr, 2019
Measurement of ambient dose equivalent rates by walk survey around Fukushima Dai-ichi Nuclear Power Plant using KURAMA-II until 2016

Masaki Andoh, Hideaki Yamamoto, Takashi Kanno, Kimiaki Saito

Journal of environmental radioactivity, 190-191 111-121, Oct 1, 2018 Peer-reviewed
Evaluation of ambient dose equivalent rates owing to natural radioactive nuclides in Eastern Japan by car-borne surveys using KURAMA-II

Masaki Andoh, Norihiro Matsuda, Kimiaki Saito

Transactions of the Atomic Energy Society of Japan, 16(2) 63-80, 2017 Peer-reviewed
Study on decreasing trend of air dose rates observed in Fukushima Prefecture and neighboring prefectures

Ando Masaki, Kanno Takashi, Saito Kimiaki

JAEA-Technology 2015-060, 40, Mar, 2016
Measurements and evaluations of air dose rates around Fukushima, 5; Characteristics of air dose rate distribution in the environment around the Fukushima Nuclear Power Plant site

Mikami, Satoshi, Matsuda, Norihiro, Ando, Masaki, Kinase, Sakae, Kitano, Mitsuaki, Kawase, Keiichi, Matsumoto, Shinichiro, Yamamoto, Hideaki, Saito, Kimiaki

Radioisotopes, 64(9) 589-607, Sep, 2015 Peer-reviewed
Measurements and evaluations of air dose rates around Fukushima, 4; Practical aspects of air dose rate measurements in the environment

Tsuda, Shuichi, Yoshida, Tadayoshi, Ando, Masaki, Matsuda, Norihiro, Mikami, Satoshi, Tanigaki, Minoru, Okumura, Ryo, Takamiya, Koichi, Sato, Nobuhiro, Seki, Akiyuki …

Radioisotopes, 64(4) 275-289, Apr, 2015
IV Practical Aspects of Air Dose Rate Measurements in the Environment

津田修一, 吉田忠義, 安藤真樹, 松田規宏, 三上智, 谷垣実, 奥村良, 高宮幸一, 佐藤信浩, 関暁之 …

Radioisotopes, 64(4), 2015
Measurement of air dose rates over a wide area around the Fukushima Dai-ichi Nuclear Power Plant through a series of car-borne surveys

Masaki Andoh, Yukio Nakahara, Shuichi Tsuda, Tadayoshi Yoshida, Norihiro Matsuda, Fumiaki Takahashi, Satoshi Mikami, Nobuyuki Kinouchi, Tetsuro Sato, Minoru Tanigaki …

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY, 139 266-280, Jan, 2015 Peer-reviewed
Construction of a Car-borne Survey System for Measurement of Dose Rates in Air: KURAMA-II, and Its Application

TSUDA SHUICHI, YOSHIDA TADAYOSHI, NAKAHARA YUKIO, SATO TETSUO, SEKI AKIYUKI, MATSUDA NORIHIRO, ANDO MASAKI, TAKEMIYA HIROSHI, TANIGAKI MINORU, TAKAMIYA KOICHI …

日本原子力研究開発機構JAEA-Technology(Web), (2013-037) WEB ONLY, Oct, 2013
Measurement and analysis of reflector reactivity worth by replacing stainless steel with zirconium at the fast critical assembly (FCA)

Masahiro Fukushima, Yasunori Kitamura, Masaki Andoh, Teruhiko Kugo

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, 49(10) 961-965, Oct, 2012 Peer-reviewed
Validation of fast reactor analysis methods using reactor physics experiments

Ando, Masaki

Nippon Genshiryoku Gakkai Dai-44-Kai Robutsuri Kaki Semina Tekisuto, 139-163, Aug, 2012
Benchmark calculations of sodium-void experiments with uranium fuels at the fast critical assembly FCA

Fukushima, Masahiro, Kitamura, Yasunori, Kugo, Teruhiko, Yamane, Tsuyoshi, Ando, Masaki, Chiba, Go, Ishikawa, Makoto, Okajima, Shigeaki

Progress in Nuclear Science and Technology (Internet), 2 306-311, Oct, 2011 Peer-reviewed
Benchmark calculations of sodium-void experiments with uranium fuels at the fast critical assembly FCA

Fukushima, Masahiro, Kitamura, Yasunori, Kugo, Teruhiko, Yamane, Tsuyoshi, Ando, Masaki, Chiba, Go, Ishikawa, Makoto, Okajima, Shigeaki

Proceedings of Joint International Conference of 7th Supercomputing in Nuclear Application and 3rd Monte Carlo (SNA + MC 2010) (USB Flash Drive), 6, Oct, 2010
Prediction accuracy improvement of neutronic characteristics of a breeding light water reactor core by extended bias factor methods with use of FCA-XXII-1 critical experiments

Teruhiko Kugo, Masaki Andoh, Kensuke Kojima, Masahiro Fukushima, Takamasa Mori, Yoshihiro Nakano, Shigeaki Okajima, Takanori Kitada, Toshikazu Takeda

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, 45(4) 288-303, Apr, 2008 Peer-reviewed
Application of bias factor method with use of exponentiated experimental value to prediction uncertainty reduction in coolant void reactivity of breeding light water reactor

Kugo, Teruhiko, Kojima, Kensuke, Ando, Masaki, Mori, Takamasa, Takeda, Toshikazu

Journal of Power and Energy Systems (Internet), 2(1) 73-82, 2008 Peer-reviewed
Measurement and analysis of U-238 Doppler reactivity effect in FCA cores simulating light-water-moderated MOX fuel lattices

Masaki Andoh, Masahiro Fukushima, Shigeaki Okajima, Kenji Kawasaki

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, 44(4) 537-547, Apr, 2007 Peer-reviewed

Presentations

Toward utilization of the integral experimental data of the Fast Critical Assembly (FCA)

Fukushima Masahiro, Ando Masaki, Nagaya Yasunobu, Sakurai Takeshi, Tsujimoto Kazufumi

日本原子力学会2024年春の年会
Investigation on distribution of radioactive substances in Fukushima, 1; Introduction to monitoring ecosystem services

Kinase Sakae, Torikai Yuji*, Mikami Satoshi, Ando Masaki, Saito Kimiaki

日本原子力学会2023年秋の大会
Investigation on distribution of radioactive substances in Fukushima, 16; Evaluation of location factors for UNSCEAR M2020 model

Kinase Sakae, Uno Kiichiro*, Ojima Emi*, Kanaizuka Seiichi*, Shikaze Yoshiaki, Ando Masaki, Mikami Satoshi, Saito Kimiaki

日本原子力学会2022年秋の大会
Investigation on distribution of radioactive substances in Fukushima, 20; Comparison of dose rate dynamic models between UNSCEAR 2020 and JAEA 2017

Kinase Sakae, Mikami Satoshi, Ando Masaki, Saito Kimiaki

日本原子力学会2021年秋の大会
Environmental radiation monitoring in the event of a nuclear disaster; Establishment of mapping technology and knowledge obtained from continuous surveys for eight years

Ando Masaki, Mikami Satoshi

令和2年度安全研究センター報告会
Investigation on distribution of radioactive substances in Fukushima, 8; Estimation of exposed dose by measurement of air dose rate considering daily activity pattern

Sato Tetsuro*, Yoshimura Kazuya, Sato Rina, Kanaizuka Seiichi*, Sanada Yukihisa, Ando Masaki, Saito Kimiaki

日本原子力学会2020年秋の大会
Estimation of exposed dose by measurement of air dose rate considering activity pattern

Sato Tetsuro*, Ando Masaki, Saito Kimiaki

第2回日本放射線安全管理学会・日本保健物理学会合同大会
Investigation on distribution of radioactive substances in Fukushima, 7; Estimation of exposed dose by measurement of air dose rate considering daily activity pattern

Sato Tetsuro*, Ando Masaki, Saito Kimiaki

日本原子力学会2019年秋の大会
Evaluation of change trend in air dose rates by car-borne and walking surveys using KURAMA-II

Ando Masaki, Mikami Satoshi, Saito Kimiaki

第6回原発事故被災地域における放射線量マッピングシステムの技術開発・運用とデータ解析に関する研究会
Investigation on distribution of radioactive substances in Fukushima, 7; Estimation of exposed dose by measurement of air dose rate considering daily activity pattern

Sato Tetsuro*, Ando Masaki, Saito Kimiaki

日本原子力学会2018年秋の大会
Investigation on distribution of radioactive substances in Fukushima, 2; Change trend of air dose rate evaluated by car-borne surveys until 2017

Ando Masaki, Matsuda Norihiro, Saito Kimiaki

日本原子力学会2018年秋の大会
Investigation on distribution of radioactive substances in Fukushima, 1; Summary on temporal change in air dose rates and deposition densities in five year

Saito Kimiaki, Ando Masaki, Matsuda Norihiro, Tsuda Shuichi, Yoshida Tadayoshi, Mikami Satoshi

日本原子力学会2017年秋の大会
Prediction of ambient dose equivalent rates after the Fukushima accident

Kinase Sakae, Takahashi Tomoyuki*, Ando Masaki, Mikami Satoshi, Yamamoto Hideaki, Saito Kimiaki

日本放射線影響学会第59回大会
Mapping project in Fukushima and related researches, 9; Estimation of exposed dose by measurement of air dose rate considering daily activity pattern

Sato Tetsuro*, Ando Masaki, Saito Kimiaki

日本原子力学会2016年秋の大会
Mapping project in Fukushima and related researches, 2; Changing trends of air dose rates measured by car-borne surveys in wide area

Ando Masaki, Saito Kimiaki, Matsuda Norihiro

日本原子力学会2016年秋の大会
Mapping project in Fukushima and related researches, 1; Summary on temporal change of air dose rates and radionuclide deposition densities in the 80 km zone

Saito Kimiaki, Mikami Satoshi, Ando Masaki, Matsuda Norihiro, Tsuda Shuichi, Yoshida Tadayoshi, Yoshimura Kazuya, Sato Tetsuro*, Kanno Takashi, Yamamoto Hideaki

日本原子力学会2016年秋の大会
Prediction of ambient dose equivalent rates within 80km radius of the Fukushima NPP

Kinase Sakae, Murakami Yuko, Takahashi Tomoyuki*, Suzuki Tadakazu*, Sugita Takeshi*, Ando Masaki, Mikami Satoshi, Yamamoto Hideaki, Saito Kimiaki

日本保健物理学会第49回研究発表会
Distinction between natural and artificial radioactive nuclides using KURAMA-II

Ando Masaki, Saito Kimiaki, Matsuda Norihiro

第3回原発事故被災地域における放射線量マッピングに関する技術開発・運用とデータ解析に関する研究会
Study on distribution and migration of radioactive substances around the Fukushima Daiichi Nuclear Power Plant, 3; Distinction between natural and artificial radioactive nuclides using KURAMA-II

Ando Masaki, Saito Kimiaki, Matsuda Norihiro

日本原子力学会2015年秋の大会
Car-borne and man-borne surveys conducted by JAEA

Ando Masaki, Sato Tetsuro*, Matsuda Norihiro, Yamamoto Hideaki, Saito Kimiaki

第2回原発事故被災地域における放射線量マッピングに関する技術開発・運用とデータ解析に関する研究会

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