Development of a non-destructive elemental analysis method for sub-percent components using muon-induced gamma-rays

Makoto Inagaki, Kazuhiko Ninomiya, Go Yoshida, Michael Kenya Kubo, Kosei Yakushi, Eisuke Watanabe, Hiroki Nakada & Izumi Umegaki

Journal of Radioanalytical and Nuclear Chemistry, 335, 617–623 (2026).

Surface Modifications of a Space-weathered Ryugu Sample and the Reflectance Spectral Response

Hotaka Onuma, Megumi Matsumoto, Tomoki Nakamura, Kana Amano, Taiga Takase, Kazuhiko Ninomiya, Hideko Nomura

The Planetary Science Journal, 7(1), 11 (2026).

Isotopic ratios of plutonium in radioactive particles released by the accident of Fukushima Daiichi Nuclear Power Plant

Junya Igarashi, Kazuhiko Ninomiya, Jian Zheng, Zijian Zhang, Miho Fukuda, Tatsuo Aono, Haruka Minowa, Hideki Yoshikawa, Keisuke Sueki, Yukihiko Satou, Atsushi Shinohara

Journal of Environmental Radioactivity, 291, 107856 (2026).

Detection of Metallic Li Deposition in a Laminated Li-Ion Battery Using Muonic X-rays

Izumi Umegaki, Yasuhito Kondo, Hiroki Kondo, Hiroshi Nozaki, Yuki Higuchi, Motonobu Tampo, Soshi Takeshita, Kazuhiko Ninomiya, Michael Kenya Kubo, Koichiro Shimomura, Yasuhiro Miyake

Analytical Chemistry, 97(45), 24959–24966 (2025).

Evaluation of a CdTe semiconductor-based gamma camera for real-time dose dosimetry in boron neutron capture therapy

I-Huan Chiu, Takahito Osawa, Takehiro Sumita, Kazuhiko Ninomiya, Shin'ichiro Takeda, Tadayuki Takahashi

Medical Physics, 52(10), e70062 (2025).

Overcoming the probing-depth dilemma in spectroscopic analyses of batteries with muon-induced X-ray emission (MIXE)

Edouard Querel, Sayani Biswas, Michael W. Heiss, Lars Gerchow, Qing Wang, Ryo Asakura, Gian Muller, ebarchan Das, Zurab Guguchia, Fabian Hotz, Gianluca Janka, Andreas Knecht, Hubertus Luetkens, Charles Mielke, Carlos Vigo, Chennan Wang, Stergiani Marina Vogiatzi, Toni Shiroka, Thomas Prokscha, Katharina von Schoeler, Shunsuke Asari, I.-Huan Chiu, Akira Sato, Kazuhiko Ninomiya, Megumi Niikura, Corsin Battaglia, Alex Amato and Arndt Remhof

Journal of Materials Chemistry A, 13, 2275 (2025).

Muonic x-ray measurement for the nuclear charge distribution: The case of stable palladium isotopes

T. Y. Saito, M. Niikura, T. Matsuzaki, H. Sakurai, M. Igashira, H. Imao, K. Ishida, T. Katabuchi, Y. Kawashima, M. K. Kubo, Y. Miyake, Y. Mori, K. Ninomiya, A. Sato, K. Shimomura , P. Strasser, A. Taniguchi, D. Tomono, and Y. Watanabe

Physical Review C, 111, 034313 (2025).

Development of a real-time boron imaging method for BNCT using CdTe-DSD at the JRR-3

I-Huan Chiu, Takahito Osawa, Takehiro Sumita, Mizuha Ikeda, Kazuhiko Ninomiya, Shin'ichiro Takeda, Takahiro Minami, Tadayuki Takahashi, Shin Watanabe

Applied Radiation and Isotopes, 222, 111845 (2025).

Development of a non-destructive carbon quantification method in iron by negative muon lifetime measurement

Kazuhiko Ninomiya, Michael Kenya Kubo, Makoto Inagaki, Go Yoshida, Soshi Takeshita, Motonobu Tampo, Koichiro Shimomura, Naritoshi Kawamura, Patrick Strasser, Yasuhiro Miyake, Takashi U. Ito, Wataru Higemoto, Tsutomu Saito

Journal of Radioanalytical and Nuclear Chemistry, 333, 3445–3450 (2024).

Fukushima Daiichi Nuclear Power Plant Accident: Understanding Formation Mechanism of Radioactive Particles through Sr and Pu Quantities

Junya Igarashi, Kazuhiko Ninomiya, Jian Zheng, Zijian Zhang, Miho Fukuda, Tatsuo Aono, Haruka Minowa, Hideki Yoshikawa, Keisuke Sueki, Yukihiko Satou, Atsushi Shinohara

Environmental Science & Technology, 58(33), 14823–14830 (2024).

Development of non-destructive isotope measurement of the natural galena (PbS) using negative muon beams

K. Terada, K. Ninomiya, A. Sato, D. Tomono, Y. Kawashima, M. Inagaki, A. Nambu, T. Kudo, T. Osawa & M. K. Kubo

Journal of Analytical Science and Technology, 15(28) (2024).

Development of wide range photon detection system for muonic X-ray spectroscopy

R. Mizuno, M. Niikura, T.Y. Saito, T. Matsuzaki, H. Sakurai, A. Amato, S. Asari, S. Biswas, I. Chiu, L. Gerchow, Z. Guguchia, G. Janka, K. Ninomiya, N. Ritjoho, A. Sato, K. von, Schoeler, D. Tomono, K. Terada, C. Wang

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1060, 169029-169029 (2024).

Quantification of bulk elemental composition for C‐type asteroid Ryugu samples with nondestructive elemental analysis using muon beam

Kazuhiko Ninomiya, Takahito Osawa, Kentaro Terada, Taiga Wada, Shunsaku Nagasawa, I‐Haun Chiu, Tomoki Nakamura, Tadayuki Takahashi, Yasuhiro Miyake, M. Kenya Kubo, Soshi Takeshita, Akihiro Taniguchi, Izumi Umegaki, Shin Watanabe, Toshiyuki Azuma, Miho Katsuragawa, Takahiro Minami, Kazumi Mizumoto, Koichiro Shimomura, Shin'ichiro Takeda, Tomoyo Morita, Mizuha Kikuiri, Kana Amano, Eiichi Kagawa, Yoshihiro Furukawa, Hisayoshi Yurimoto, Takaaki Noguchi, Ryuji Okazaki, Hikaru Yabuta, Hiroshi Naraoka, Kanako Sakamoto, Shogo Tachibana, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Masanao Abe, Tatsuaki Okada, Tomohiro Usui, Makoto Yoshikawa, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Satoru Nakazawa, Sei‐ichiro Watanabe, Yuichi Tsuda

Meteoritics & Planetary Science, 59(8), 2044-2057 (2024).

Development of a non-destructive depth-selective quantification method for sub-percent carbon contents in steel using negative muon lifetime analysis

Kazuhiko Ninomiya, Michael Kenya Kubo, Makoto Inagaki, Go Yoshida, I-Huan Chiu, Takuto Kudo, Shunsuke Asari, Sawako Sentoku, Soshi Takeshita, Koichiro Shimomura, Naritoshi Kawamura, Patrick Strasser, Yasuhiro Miyake, Takashi U. Ito, Wataru Higemoto, Tsutomu Saito

Scientific Reports, 14(1) 1797 (2024).

第16回「Muon科学と加速器研究」研究会

2026.1.12 - 14, 理化学研究所 仁科加速器科学研究センター

口頭発表

二宮和彦
ミュオン原子を用いた非破壊元素分析の新展開

湯川敦也
飛行時間を利用したミュオン運動量の見積もりによる元素深度分布分析

第56回中部化学関係学協会支部連合秋季大会

2025.11.8 - 9, 岐阜大学

招待講演

二宮和彦
[2K-15] 素粒子であるミュオンを利用した元素分析研究

7th Asia-Pacific Symposium On RadioChemistry (APSORC25)

2025.9.14 - 20, Kunibiki Messe

Plenary Talk

Kazuhiko Ninomiya
[PL04] ELEMENTAL ANALYSIS METHOD USING MUONS: APPLICATIONS FOR ASTEROID AND ARCHEOLOGICAL SAMPLES

Poster

Shota Morishita, Akihito Matsushima, Kazuhiko Ninomiya
[P-P3-02*] OPTIMIZATION OF ⁹⁰Sr ANALYSIS METHOD FOR THE RESIDUE OF SUSPENDED PARTICULATE MATTER (SPM) SAMPLES AFTER SEPARATION OF ¹²⁹I

Kousei Yakushi, Kenya Kubo, Makoto Inagaki, Go Yoshida, Soshi Takeshita, Patrick Strasser, Naritoshi Kawamura, Yasuhiro Miyake, Koichiro Shimomura, Tsutomu Saito, Kazuhiko Ninomiya
[P-R5-07*] NON-DESTRUCTIVE DEPTH PROFILE QUANTIFICATION OF CARBON CONTENTS IN JAPANESE SWORD BY MUON LIFETIME ANALYSIS METHOD

Atsuya Yukawa, Tsutomu Saito, Motonobu Tampo, Idumi Umegaki, Soshi Takeshita, Yasuhiro Miyake, Koichiro Shimomura, Kazuhiko Ninomiya
[P-R5-09*] ELEMENTAL DEPTH DISTRIBUTION ANALYSIS OF JAPANESE GOLD PRODUCTS FROM LATE 16^th CENTURY USING MUONIC X-RAYS

Miu Nomura, Satoaki Den, Naoko Nishino, Kazuhiko Ninomiya, I-Huan Chiu, Shunsuke Asari, Akira Sato, Takashi Yoshimura, Alex Amato, Sayato Biswas, Lars Frieder Gerchow, Carlos Vigo, Chennan Wang, Charles Hillis Mielke III, Debarchan Das, Fabian Hotz, Gianluca Janka, Hubertus Luetkens, Katharina von Schoeler, Narongrit Ritjoho, Thomas Prokscha, Toni Shiroka, Zaher Salman, Zurab Guguchia
[P-R4-06*] INITIAL STATE OF CAPTURED MUON IN COPPER ATOM AND CHEMICAL ENVIRONMENTAL DEPENDENCE ON MUON CAPTURE

2025年第86回応用物理学会秋季学術講演会

2025.9.7 - 10, 名城大学 天白キャンパス

招待講演

二宮和彦
[7p-N103-5] ミューオン特性X線測定による非破壊元素分析法

34th International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC2025)

2025.7.29 - 8.5, Sapporo Convention Centre

Poster

Kazuhiko Ninomiya, Meito Kajino, Akihiro Nambu, Makoto Inagaki, Takuto Kudo, Akira Sato, Kentaro Terada, Dai Tomono, Yoshitaka Kawashima, Yoichi Sakai, Tsutomu Takayama, Atsushi Shinohara
[Th110] Investigation of chemical environmental effect on muon capture process and identification of chemical state of muon capturing atom

16th International Conference on Muon Spin Rotation, Relaxation and Resonance (μSR2025)

2025.7.20 - 25, Delta Hotels St. John's Conference Centre

Oral

Kazuhiko Ninomiya
[15] Non‑Destructive Depth‑Selective Quantification for Carbon in Steel Using Negative Muon Lifetime Analysis

日本文化財科学会第42回大会

2025.7.5 - 6, 九州大学伊都キャンパス

口頭発表

二宮和彦, 薬師 康生, 久保 謙哉, 稲垣 誠, 吉田 剛, 竹下 聡史, 河村 成肇, ストラッサー・パトリック, 三宅 康博, 下村 浩一郎,齋藤 努
[B-05] 素粒子を使った鋼鉄中微量炭素濃度非破壊分析法の開発と日本刀分析への適用

2024年度量子ビームサイエンスフェスタ

2025.3.12 - 14, つくば国際会議場

ポスター発表

湯川敦也
[122K] ミュオン特性X線元素分析法による16世紀末頃の金製品の元素深度分布分析

薬師康生
[124K] ミュオン寿命法による日本刀の炭素濃度の深度分布測定

4th J-PARC symposium (J-PARC2024)

2024.10.14 - 18, Mito City Civic Center

Poster

Kazuhiko Ninomiya, S. Asari, T. Yoshimura, K. Kubo, M. Inagaki, I. Umegaki, M. Tampo, N. Kawamura, Y. Miyake, K. Shimomura, and T. Saito
[P-089] Determination of isotopic composition of lead by muon induced gamma-ray measurement

Kazuhiko Ninomiya, T. Osawa, K. Terada, T. Wada, S. Nagasawa, I. Chiu, T. Nakamura, T. Takahashi, Y. Miyake, K. Kubo, S. Takeshita, A. Taniguchi, I. Umegaki, S. Watanabe, T. Azuma, M. Katsuragawa, T. Minami, K. Mizumoto, K. Shimomura, and S. Takeda
[P-090] Non-destructive bulk elemental analysis using muon beam for asteroid Ryugu particles

日本放射化学会 第68回討論会(2024)

2024.9.23 - 25, グランシップGRANSHIP（静岡県コンベンションアーツセンター）

口頭発表

二宮和彦, 浅利 駿介, 吉村 崇, 久保 謙哉, 梅垣 いづみ, 反保 元伸, 河村 成肇, 三宅 康博, 下村 浩一郎, 齋藤 努
[1B06] 鉛標的へのミュオン吸収核反応による生成核種分布測定

日本物理学会 第79回年次大会（2024年）

2024.9.16 - 19, 北海道大学 札幌キャンパス

口頭発表

二宮和彦
[16aWB105-14] ミュオン吸収原子核反応を用いた非破壊同位体分析法の開発

第61回アイソトープ・放射線研究発表会

2024.7.3 - 5, 日本科学未来館 ７階 未来館ホールほか

口頭発表

二宮和彦, 久保謙哉, 稲垣誠, 浅利駿介, 梅垣いづみ, 反保元伸, 河村成肇, 三宅康博, 下村浩一郎, 齋藤努, 吉村崇
[2A06-08-02] 負ミュオンを用いる非破壊的元素分析法の化学状態及び同位体分析法への展開

International Conference on Modern Trends in Activation Analysis (MTAA16)

2024.5.5 - 10, Mercure Buda Castle Hill Budapest, Hungary

Oral

Kazuhiko Ninomiya
Determination of isotopic composition of lead using prompt and decay gamma-rays by muon induced nuclear reaction

2025年度日本アイソトープ協会シンポジウム 「気候×環境×歴史 ～アイソトープから読み解く～」

2025.12.5, 日本科学未来館 7階未来館ホール

座長

二宮和彦
[基調講演] 炭素循環と気候変動－同位体が明らかにするその描像－
[企画セッション] 討論会

日本鉄鋼協会会報 ふぇらむ Vol.30 No.10

2025.10.1 発行, P.2-5

取材協力

二宮和彦
[Techno Scope] 新しい技術で鉄を見透す

2024年度J-PARC/MUSE成果報告会 ・ 日本中間子科学会研究会

2025.9.3 - 6, ラフォーレ那須

講義

二宮和彦
日本中間子科学会研究会 チュートリアル ミュオンＸ線分光

日本化学会 ディビジョン・トピックス - 資源・エネルギー・地球化学・核化学・放射化学

2025.6.30 掲載

二宮和彦
ミュオンによる非破壊元素分析

日本鉄鋼協会 第189回春季講演大会

2025.3.8 - 10, 東京都立大学 南大沢キャンパス

Chair

Kazuhiko Ninomiya
[国際セッション] Advanced measurement and analysis methods using quantum beams and their application to cultural heritage research: Current situation and future prospects in Asia

「ミューオン核物理・核データ―基礎研究から応用研究へ」研究会

2025.1.16 - 17, 大阪大学核物理研究センター

口頭発表

二宮和彦
ミューオン原子の形成過程と化学効果

FUture on Muon Elemental analysis (FUME)

2024.10.19 - 21, 116 (KEK Tokai campus #1 bldg.)

Oral

Kazuhiko Ninomiya
Chemical Environmental effect on muon capture process and its application on muon elemental analysis