Takefumi MITANI

(三谷烈史)

Profile Information

Affiliation: Assistant Professor, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency

Degree: 修士(理学)(東京大学)
博士(理学)(東京大学)

J-GLOBAL ID: 201901006861784502
researchmap Member ID: B000359529

Research Interests

Research Areas

Natural sciences / Space and planetary science /

Research History

Apr, 2010 - Present

Faculty of Engineering, Department of Aerospace Systems Engineering, Sojo University
Sep, 2007 - Mar, 2010

Faculty of Engineering, Department of Aerospace Systems Engineering, Sojo University
Apr, 2007 - Aug, 2007

Faculty of Engineering, Department of Aerospace Systems Engineering, Sojo University
Apr, 2006 - Mar, 2007

日本学術振興会特別研究員(PD)
Apr, 2003 - Mar, 2006

日本学術振興会特別研究員(DC1)

Education

Apr, 2003 - Mar, 2006

物理学専攻博士課程, 理学系研究科, 東京大学大学院
Apr, 2001 - Mar, 2003

物理学専攻修士課程, 理学系研究科, 東京大学大学院
- Mar, 2001

The

Committee Memberships

2008 - 2010

衛星設計コンテスト推進委員, 日本天文学会

Papers

Feasibility assessment of formation flight control by differential drag in eccentric orbit for the FACTORS mission

Maximilien Berthet, Yusuke Maru, Yoshifumi Saito, Takefumi Mitani, Iku Shinohara, Kazushi Asamura

Acta Astronautica, Apr, 2026
The Dominant Role of the Electron Isotropy Boundary in Controlling Earth's Outer Radiation Belt Electron Lifetimes

Man Hua, Xiaofei Shi, Jacob Bortnik, Anton Artemyev, Vassilis Angelopoulos, Yoshizumi Miyoshi, Takefumi Mitani, James L. Burch, Takeshi Takashima, Tomoaki Hori, Ayako Matsuoka, Mariko Teramoto, Kazuhiro Yamamoto, Yoshiya Kasahara, Fuminori Tsuchiya, Atsushi Kumamoto, Atsuki Shinbori, Iku Shinohara

Geophysical Research Letters, Feb 16, 2026
Coupling Between Earth′s Magnetotail and the Outer Radiation Belt via Field‐Line Curvature Scattering

A. V. Artemyev, V. Angelopoulos, X.‐J. Zhang, J. Bortnik, Y. Miyoshi, C. Wilkins, S. Kasahara, T. Hori, A. Matsuoka, T. Mitani, T. Takashima, M. Teramoto, K. Yamamoto, I. Shinohara

Journal of Geophysical Research: Space Physics, Jul, 2025
In Situ Observations of the Influence of Nonlinear EMIC Waves on Relativistic Electrons in the Outer Radiation Belt

Chae‐Woo Jun, Yoshizumi Miyoshi, Tomoaki Hori, Jacob Bortnik, Larry Lyons, Khan‐Hyuk Kim, Takefumi Mitani, Takeshi Takashima, Iku Shinohara, Nana Higashio, Ayako Matsuoka, Kazuhiro Yamamoto, Mariko Teramoto

Geophysical Research Letters, May 16, 2025
Relativistic Electron Flux Decay and Recovery: Relative Roles of EMIC Waves, Chorus Waves, and Electron Injections

Zijin Zhang, Anton Artemyev, Didier Mourenas, Vassilis Angelopoulos, Xiao‐Jia Zhang, S. Kasahara, Y. Miyoshi, A. Matsuoka, Y. Kasahara, T. Mitani, S. Yokota, T. Hori, K. Keika, T. Takashima, M. Teramoto, S. Matsuda, I. Shinohara

Journal of Geophysical Research: Space Physics, Dec, 2024

Misc.

139

両面シリコンストリップを用いた軟ガンマ線コンプトンカメラの開発

深沢泰司, 澤本直之, 中本達也, 田島宏康, 渡辺伸, 三谷烈史, 田中孝明, 中澤知洋, 高橋忠幸

日本天文学会年会講演予稿集, 2004 262, 2004
宇宙硬X線・γ線高感度観測のための高分解能Si/CdTe半導体を用いたコンプトンカメラの開発

三谷烈史, 大貫宏祐, 小林謙仁, 佐藤悟朗, 田中孝明, 田村健一, 平賀純子, 中澤知洋, 高島健, 高橋忠幸, 田島宏康, 中村秀仁, 能町正治, 中本達也, 深沢泰司

日本天文学会年会講演予稿集, 2004 261, 2004
Double-side silicon strip detector (DSSD) with VA32TA applied for medium energy particle detector in high-count rate environment

T. Takashima, T. Mitani, K. Nakazawa, H. Tajima, T. Takahashi, T. Tanaka, S. Uno

IEEE Nuclear Science Symposium Conference Record, 2 813-816, Dec 1, 2003
Performance of a low noise front-end ASIC for Si/CdTe detectors in compton gamma-ray telescope

Hiroyasu Tajima, Tatsuya Nakamoto, Takaaki Tanaka, Shingo Uno, Takefumi Mitani, Eduardo Do Couto, E. Silva, Yasushi Fukazawa, Tuneyoshi Kamae, Grzegorz Madejski, Daniel Marlow, Kazuhiro Nakazawa, Masaharu Nomachi, Yu Okada, Tadayuki Takahashi

IEEE Nuclear Science Symposium Conference Record, 1 396-401, Dec 1, 2003
Prototype of Compton Camera using high resolution Si/CdTe detectors - Si/CdTe Compton Camera as a polarimeter

Takefumi Mitani, Takaaki Tanaka, Kazuhiro Nakazawa, Tadayuki Takahashi, Takeshi Takashima, Hiroyasu Tajima, Hidehito Nakamura, Masaharu Nomachi, Tatsuya Nakamoto, Yasushi Fukazawa

IEEE Nuclear Science Symposium Conference Record, 5 3588-3592, Dec 1, 2003
Improvement of the CdTe diode detectors using a guard-ring electrode

Kazuhiro Nakazawa, Kousuke Oonuki, Takaaki Tanaka, Yoshihito Kobayashi, Ken'ichi Tamura, Takefumi Mitani, Goro Sato, Shin Watanabe, Tadayuki Takahashi, Ryoichi Ohno, Akihito Kitajima, Yoshikatsu Kuroda, Mitsunobu Onishi

IEEE Nuclear Science Symposium Conference Record, 5 3583-3587, Dec 1, 2003
Development of Hard X-ray and Gamma-ray Imager using one-dimensional semiconductor detector

Miyawaki R., Okada Y., Niko H., Kokubun M., Makishima K., Tanaka T., Mitani T., Nakazawa K., Takashima T., Takahashi T.

Meeting abstracts of the Physical Society of Japan, 58(2) 59-59, Aug 15, 2003
ガンマ線検出用ショットキーCdTeダイオードのポラリゼーション現象

佐藤悟朗, 高橋忠幸, 中沢知洋, 三谷烈史, 渡辺伸

応用物理学関係連合講演会講演予稿集, 50th(1) 141, Mar 27, 2003
Development of a Double-sided Silicon Strip Detector for High Energy Resolution Imaging of Cosmic Hard X-rays

Uno S., Mitani T., Nakamura H., Nakamoto T., Fukazawa Y., Tajima H., Kamae T., Nakazawa K., Takahashi T., Nomachi M., Kubo S.

Meeting abstracts of the Physical Society of Japan, 58(1) 26-26, Mar 6, 2003
Activation Background of the Astro-E2 Hard X-ray Detector II

Murakami Mio M., Kawasoe S., Kawaharada M., Hong S. J., Kobayashi Y., Mitani T., Inoue H., Ohno M., Mori M., Okada Y., Kotoku J., Terada Y., Kokubun M., Nakazawa K., Yamaoka K., Miyasaka H., Fukazawa Y., Takahashi T., Makishima K., HXD team

Meeting abstracts of the Physical Society of Japan, 58(1) 68-68, Mar 6, 2003
Large area gamma-ray imaging detector based on high energy resolution CdTe diode

Mitani T., Nakamura H., Uno S., Takahashi T., Nakazawa K., Watanabe S., Tajima H., Nomachi M., Fukazawa Y., Kubo S., Kuroda Y., Onishi M., Ohno R.

Meeting abstracts of the Physical Society of Japan, 58(1) 94-94, Mar 6, 2003
Improvement of analogue circuits processing the signals from silicon PIN diode detector on-board AstroE2 satellite

Inoue H., Takahashi T., Nakazawa T., Mitani T., Tanaka T., Makishima K., Kokubun M., Kawaharada M., Fukazawa Y.

Meeting abstracts of the Physical Society of Japan, 58(1) 89-89, Mar 6, 2003
Low noise double-sided silicon strip detector for multiple-compton gamma-ray telescope

H Tajima, T Kamae, S Uno, T Nakamoto, Y Fukazawa, T Mitani, T Takahashi, K Nakazawa, Y Okada, M Nomachi

X-RAY AND GAMMA-RAY TELESCOPES AND INSTRUMENTS FOR ASTRONOMY, PTS 1 AND 2, 4851 875-884, 2003
Large area gamma-ray imaging detector based on high resolution CdTe diode

T Mitani, H Nakamura, S Uno, T Takahashi, K Nakazawa, S Watanabe, H Tajima, M Nomachi, Y Fukazawa, S Kubo, Y Kuroda, M Onishi, R Ohno

2002 IEEE NUCLEAR SCIENCE SYMPOSIUM, CONFERENCE RECORD, VOLS 1-3, 1 274-277, 2003
Activation properties of Schottky CdTe diodes irradiated by 150 MeV protons

MM Murakami, Y Kobayashi, M Kokubun, Takahashi, I, Y Okada, M Kawaharada, K Nakazawa, S Watanabe, G Sato, M Kouda, T Mitani, T Takahashi, M Suzuki, M Tashiro, K Makishima

2002 IEEE NUCLEAR SCIENCE SYMPOSIUM, CONFERENCE RECORD, VOLS 1-3, 1 269-273, 2003
CdTeイメージャを用いた宇宙ガンマ線気球実験の現状

中澤知洋, 高橋忠幸, 渡辺伸, 佐藤悟朗, 小林謙仁, 三谷烈史, 井上北斗, 田中孝明, 大貫宏祐, 田村健一, 深沢泰史, 中本達也, 能町正治, 中村秀人

日本天文学会年会講演予稿集, 2003 257, 2003
ガンマ線コンプトンカメラによる偏光観測の検証

木原邦夫, 富永慎弥, 中本達也, 阿部由紀子, 深沢泰司, 高橋忠幸, 中澤知洋, 高島健一, 三谷烈史, 田中孝明, 能町正治, 中村秀人, 田島宏康

日本天文学会年会講演予稿集, 2003 250, 2003
狭視野型軟γ線コンプトンカメラの感度の見積もり

川埜直美, 阿部由紀子, 中本達也, 川添哲志, 深沢泰司, 三谷烈史, 中澤知洋, 高橋忠幸, 寺田幸功, 田代信, 国分紀秀, 牧島一夫

日本天文学会年会講演予稿集, 2003 249, 2003
高分解能Si/CdTe半導体を用いたコンプトンカメラのプロトタイプ

三谷烈史, 田中孝明, 中澤知洋, 高橋忠幸, 高島健, 田島康博, 中村秀仁, 能町正治, 中本達也, 深沢泰司

日本天文学会年会講演予稿集, 2003 257, 2003
ガードリング電極によるショットキー型CdTeダイオード検出器の改良

大貫宏祐, 田中孝明, 三谷烈史, 小林謙仁, 中澤知洋, 高橋忠幸

日本天文学会年会講演予稿集, 2003 249, 2003
Development of Cosmic Gamma‐ray Detector using CdTe/CZT Semiconductors.

中沢知洋, 高橋忠幸, 渡辺伸, 古宇田学, 佐藤悟朗, 小林謙仁, 三谷烈史, 井上北斗, 田中孝明

電気学会原子力研究会資料, NE-02(11-16) 11-16, Sep 11, 2002
Development of Digital Electronics of Hard X-ray Detector on board Astro-E2(HXD2)

Terada Y., Tashiro S., Ezoe Y., Takahashi H., Suzuki M., Mitani T., Kokubun M., Nakazawa K., Yamaoka K., Takahashi T., Makishima K., HXDteam

Meeting abstracts of the Physical Society of Japan, 57(2) 80-80, Aug 13, 2002
Development of Multi-Compton Gamma-ray Camera with Silicon Solid-State detectors

Fukazawa Y., Uno S., Nakamoto T., Tominaga S., Ohsugi T., Takahashi T., Mitani T., Tajima H., Kamae T., Nomachi M.

Meeting abstracts of the Physical Society of Japan, 57(2) 86-86, Aug 13, 2002
The development and performance evaluation of the HXD-II onboard Astro-E2

Kawaharada M., Ezoe Y., Okada Y., Kasama D., Kokubun M., Kotoku J., Sugiho M., Takahashi I., Takahashi H., Makishima K., Miyawaki R., Murakami M., Yanagida T., Ohno M., Kawasoe T., Kawano N., Fukazawa Y., Kobayashi Y., Takahashi T., Nakazawa K., Mitani T., Abe K, Tashiro M., HXD members

Meeting abstracts of the Physical Society of Japan, 57(2) 80-80, Aug 13, 2002
実験コーナー

内山泰伸, 佐藤悟朗, 森英之, 飯塚亮, 小林謙仁, 三谷烈史

天文月報, 95(7) 346-348, Jun 20, 2002
27pXD-11 CdTeダイオードを用いたγ線検出器の気球による実証試験と今後

中澤知洋, 高橋忠幸, 渡辺伸, 古宇田学, 佐藤伍朗, 小林謙仁, 三谷烈史, 山上隆史, 岡田祐, 能町正治, 菅谷頼人

日本物理学会講演概要集, 57(1) 82-82, Mar 1, 2002
27pXD-13 宇宙硬X線γ線検出用CdTe/CdZuTe半導体検出器の特性評価

佐藤悟朗, 渡辺伸, 古宇田学, 三谷烈史, 小林謙仁, 中澤知洋, 高橋忠幸, 岡田祐, 杉保昌彦

日本物理学会講演概要集, 57(1) 83-83, Mar 1, 2002
26pZA-12 Proton beam experiment on new generation CdTe diode (2)

Kobayashi Y., Murashima M., Mitani T., Kouda M., Sato G., Watanabe S., Yonetoku D., Nakazawa K., Takahashi T., Kawaharada M., Okada Y., Takahashi I., Kokubun M., Makishima K., Suzuki M., Tashiro M.

Meeting abstracts of the Physical Society of Japan, 57(1) 161-161, Mar 1, 2002
26pZA-11 Protou beam experiment on new geueration CdTe diode (1)

murashima M, Kobayashi. Y., Takahashi I., Kokubum M., kawaharada M., Okada Y., Nakazawa K., Konda M., Mitani T., Sato G., Watanabe S., Yonetoku D., Takahashi T, Suzuki. M., Tashiro M., Makishima K.

Meeting abstracts of the Physical Society of Japan, 57(1) 161-161, Mar 1, 2002
26pZA-10 Evaluation of Schottky CdTe diode detectors for space use ISAS

Mitani T., Watanabe S., Sato G., Kouda M., Okada Y., Kobayashi Y., Nakazawa K., Takahashi T.

Meeting abstracts of the Physical Society of Japan, 57(1) 161-161, Mar 1, 2002
Characterization of CdTe/CdZnTe detectors

Goro Sato, Tadayuki Takahashi, Masahiko Sugiho, Manabu Kouda, Shin Watanabe, Yuu Okada, Takefumi Mitani, Kazuhiro Nakazawa

IEEE Nuclear Science Symposium and Medical Imaging Conference, 4 2299-2303, 2002
CdTe stacked detectors for gamma-ray detection

Shin Watanabe, Tadayuki Takahashi, Yuu Okada, Goro Sato, Manabu Kouda, Takefumi Mitani, Yoshihito Kobayashi, Kazuhiro Nakazawa, Yoshikatsu Kuroda, Mitsunobu Onishi

IEEE Nuclear Science Symposium and Medical Imaging Conference, 4 2434-2438, 2002
High resolution Schottky CdTe diode detector

Tadayuki Takahashi, Takefumi Mitani, Yoshihito Kobayashi, Manabu Kouda, Goro Sato, Shin Watanabe, Kazuhiro Nakazawa, Yuu Okada, Minoru Funaki, Ryoichi Ohno, Kunishiro Mori

IEEE Nuclear Science Symposium and Medical Imaging Conference, 4 2464-2468, 2002
宇宙ガンマ線観測用CdTeダイオード検出器の開発 II~気球実験による実証と将来計画~

中澤知洋, 高橋忠幸, 渡辺伸, 古宇田学, 佐藤悟朗, 小林謙仁, 三谷烈史, 山上隆正, 松坂幸彦, 久保田あや, 岡田祐, 能町正治, 菅谷頼仁

日本天文学会年会講演予稿集, 2002 226, 2002
多重コンプトンγ線カメラに向けたシリコンストリップ検出器の開発

宇野進吾, 中本達也, 深沢泰司, 大杉節, 田島宏康, 釜江常好, 三谷烈史, 高橋忠幸

日本天文学会年会講演予稿集, 2002 264, 2002
Stabilization of main interferometer using auxiliary interferometer III

Aso Y., Kobayashi Y., Enami T., Oguri M., Nishi Y., Mitani T., Ando M., Kawabe K., Tsubono K.

Meeting abstracts of the Physical Society of Japan, 56(2) 38-38, Sep 3, 2001
テルル化カドミウム半導体を用いた新しい硬X線・ガンマ線撮像素子の開発(2)

三谷烈史, 渡辺伸, 佐藤悟朗, 古宇田学, 小林謙仁, 中澤知洋, 高橋忠幸, 岡田祐

日本天文学会年会講演予稿集, 2001 313, 2001
シリコンストリップを用いた宇宙硬X線,γ線検出器の開発

宇野進吾, 水嶋浩文, 緒方聖, 深沢泰司, 大杉節, 三谷烈史, 高橋忠幸, 岡田祐, 田島宏康, 釜江常好

日本天文学会年会講演予稿集, 2001 312, 2001
テルル化カドミウム半導体(CdTe,CdZnTe)を用いた新しい硬X線・ガンマ線検出器の特性評価

佐藤悟朗, 渡辺伸, 古宇田学, 三谷烈史, 小林謙仁, 中澤知洋, 高橋忠幸, 岡田祐, 杉保昌彦

日本天文学会年会講演予稿集, 2001 313, 2001

Professional Memberships

Research Projects

Investigation of the rapid loss of planetary radiation belts and the active control method

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2023 - Mar, 2028

Yuto Katoh, Yoshiharu Omura, Satoshi Kasahara, Mariko Teramoto, Iku Shinohara, Takefumi Mitani
In-orbit demonstration of a compact high-energy electron analyzer toward in-situ multi-point observations of planetary magnetospheres

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2023

Shinohara Iku, Takefumi Mitani, Mariko Teramoto, Takeshi Takashima
Study of microburst electron precipitations during pulsating aurorae by a sounding rocket

Grants-in-Aid for Scientific Research Fund for the Promotion of Joint International Research (Fostering Joint International Research (B)), Japan Society for the Promotion of Science, Oct, 2018 - Mar, 2021

Asamura Kazushi
In-flight calibration of high energy electron detector on board the ERG

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2021

Mitani Takefumi
Fundamental development of hybrid detector system for simultaneous measurements of low/high-energy space plasma particles and X rays

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2019

Hirahara Masafumi, KASAHARA SATOSHI, MITANI TAKEFUMI

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