Faculty Profiles - YOSHIMURA Koji

MISC - YOSHIMURA Koji

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Spectroscopy for production of macro-coherence in metastable Xe

Yoshimi A., Sasao N., Uetake S., Kuma S., Nakajima K., Ohae C., Miyamoto Y., Kawaguchi K., Tsutsumi Y., Tang J., Fukumi A., Tanaka M., Nakano I., Wakabayashi T., Yoshimura K., Yoshimura M.

Meeting abstracts of the Physical Society of Japan 68 ( 2 ) 16 - 16 2013.8

J-PARCでのミューオン電子転換探索実験(COMET実験)における電磁カロリメータの開発研究

大石航, 五十嵐洋一, 上野一樹, 川越清以, 佐藤朗, 齊藤直人, 東城順治, 豊田晃久, 西口創, 深尾祥紀, 松本侑樹, 三原智, 三部勉, 吉岡瑞樹, 吉村浩司, GRIGORIEV Dmitry, KUZMENKO Anastasiya, VELICHEVA Elena, VLADIMIR Kalinnikov

日本物理学会講演概要集 68 ( 1 ) 2013

J-PARCでのミューオン電子転換探索実験(COMET実験)における電磁カロリメータの開発研究

大石航, 五十嵐洋一, 上野一樹, 川越清以, 佐藤朗, 齊藤直人, 東城順治, 豊田晃久, 中居勇樹, 西口創, 深尾祥紀, 松本侑樹, 三原智, 三部勉, 吉岡瑞樹, 吉村浩司, GRIGORIEV Dmitry, KUZMENKO Anastasiya, VELICHEVA Elena, VLADIMIR Kalinnikov

日本物理学会講演概要集 68 ( 2 ) 2013

Cosmic-ray observation by the second Antarctic long duration balloon flight-BESS-Polar II

吉村浩司, 安部航, 折戸玲子, 坂井賢一, 篠田遼子, 鈴木純一, 田中賢一, 谷口敬, 西村純, 野崎光昭, 灰野禎一, 長谷川雅也, 福家英之, 堀越篤, 槙田康博, 松川陽介, 松田晋弥, 山上隆正, 山本明, 吉田哲也, MITCHELL John W., HAMS Thomas, KIM Ki-Chun, LEE Moohyung, ORMES Jonathan F., SEBASTIAN Frank San, SASAKI Makoto, SEO Eun-Suk, STREITMATTER Robert E., THAKUR Neeharika

宇宙航空研究開発機構研究開発報告 JAXA-RR- ( 09-007 ) 2010

The 2007 BESS-Polar Scientific Flight in Antarctica

HASEGAWA Masaya, HORIKOSHI Atsushi, MATSUDA Shinya, MAKIDA Yasuhiro, SUZUKI Junichi, TANAKA Kenichi, YAMAMOTO Akira, YOSHIMURA Koji, NISHIMURA Jun, SAKAI Kenichi, SHINODA Ryoko, ORITO Reiko, MATSUKAWA Yosuke, KUSUMOTO Akira, FUKE Hideyuki, YAMAGAMI Takamasa, YOSHIDA Tetsuya, HAMS Thomas, MITCHELL John W., SASAKI Makoto, STREITMATTER Robert E., KIM Ki-chun, LEE Moo-hyon, SEO Eun-suk, ORMES Jonathan F., THAKUR Neeharika

Transactions of the Japan Society for Aeronautical and Space Sciences, Space Technology Japan (Web) 7 ( ists26 ) 2009

J-PARC将来計画 : ミューオン-電子転換探索実験COMET&PRISM

吉村浩司

超電導応用研究会シンポジウム講演論文集 14 "4 - 5-1"-"4-5-12" 2008.3

BESS-Polar: Sensitive Search for Primordial Antiparticle using A Superconducting Spectrometer with Long Duration Balloon Flights in Antarctica

山本明, 安部航, 泉康介, 板崎輝, 大宮英紀, 折戸玲子, 熊沢輝之, 坂井賢一, 志風義明, 篠田遼子, 鈴木純一, 高杉佳幸, 竹内一真, 谷崎圭裕, 田中賢一, 谷口敬, 西村純, 野崎光昭, 灰野禎一, 長谷川雅也, 福家英之, 堀越篤, 槙田康博, 松川陽介, 松田晋弥, 松本賢治, 山上隆正, 大和一洋, 吉田哲也, 吉村浩司, MITCHELL John W., HAMS Thomas, KIM Ki-Chun, LEE Moohyung, MOISEEV Alexander A., MYERS Zachary D., ORMES Jonathan F., SASAKI Makoto, SEO Eun-Suk, STREITMATTER Robert E.

宇宙航空研究開発機構研究開発報告 JAXA-RR- ( 07-009 ) 2008

21pZB-1 Development of Hermetic Housing for PMTs for BESS-Polar II Experiment

Matsukawa Yosuke, Hams T., Kim K.C., Lee M.H., Mitchell J.W., Moiseev A.A., Ormes J.F., Seo E.S., Streitmatter R.E., Thakur N.

Meeting abstracts of the Physical Society of Japan 62 ( 2 ) 20 - 20 2007.8

22pZK-10 Status of the BESS Polar-II Experiment

Hasegawa Masaya, Hams T., Kim K.C., Lee M.H., Mitchell J.W., Moiseev A.A., Ormes J.F., Seo E.S., Streitmatter R.E., Thakur N.

Meeting abstracts of the Physical Society of Japan 62 ( 2 ) 112 - 112 2007.8

Performance of Middle TOF counter for BESS-Polar in Beam test

Shikaze Yoshiaki, Itazaki Akira, Amimoto Ken, Oikawa Maiko, Nozaki Mitsuaki, Matuda Shinya, Yoshimura Koji, Yoshida Tetsuya

Meeting abstracts of the Physical Society of Japan 58 ( 2 ) 20 - 20 2003.8

Technical Flight of Solar Battery System for BESS-Polar Experiment

福家英之, 野崎光昭, 安部航, 池田伸穂, 大宮英紀, 斎藤芳隆, 並木道義, 松本賢治, 吉村浩司

宇宙科学研究所報告特集 ( 45 ) 2003

Measurements of Antiproton Spectrum with BESS

ASAOKA Yoichi, ABE Koh, ANRAKU Kazuaki, IZUMI Kosuke, IMORI Masatoshi, UEDA Ikuo, ORITO Shuji, SAEKI Takayuki, SASAKI Makoto, SANUKI Tomoyuki, SHIKAZE Yoshiaki, SUZUKI Junichi, SONODA Tomohiro, TANAKA Kenichi, TANIZAKI Keisuke, NOZAKI Mitsuaki, HAINO Sadakazu, FUKE Hideyuki, FUJIKAWA Motoharu, NISHIMURA Jun, MATSUI Nagataka, MAENO Tadashi, MAKIDA Yasuhiro, MATSUKAWA Takeo, MATSUDA Shinya, MATSUNAGA Hiroyuki, MATSUMOTO Hiroshi, MITSUI Tadao, MOTOKI Masakazu, YAJIMA Nobuyuki, YAMAGAMI Takamasa, YAMATO Kazuhiro, YAMAMOTO Akira, YAMAMOTO Yasuchika, YOSHIDA Tetsuya, YOSHIMURA Koji, MITCHELL Jon, MISEEV Alexander, ORMES Jonathan F., SEO Eun-Suk, STREITMATTER Robert, WANG J. Z.

44 71 - 86 2002.3

Language：Japanese Publisher：Japan Aerospace Exploration Agency

The energy spectrum of cosmic-ray antiprotons has been measured by BESS successively in 1993, 1995, 1997, 1998, 1999 and 2000. In total more than 2 x10^3 antiprotons were clearly identified in an energy range of 0.18 to 4.20 GeV. From these successive measurements of the antiproton spectrum at various solar activity, the effect of the solar modulation and the origin of cosmic-ray antiprotons are discussed.

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Other Link： http://repository.tksc.jaxa.jp/pl/dr/IS0200098000

BESS-Polar Experiment : Precise Measurement of Cosmic-ray Antiprotons by Long Duration Flights in Antarctica

FUKE Hideyuki, YAMAMOTO Akira, NOZAKI Mitsuaki, MITCHELL John, SEO Eun-Suk, ASAOKA Yoichi, ABE Koh, ANRAKU Kazuaki, IZUMI Kosuke, OMIYA Hidenori, SASAKI Makoto, SHIKAZE Yoshiaki, SUZUKI Junichi, TANAKA Kenichi, TANIZAKI Keisuke, NISHIMURA Jun, HAINO Sadakazu, FUJIKAWA Motoharu, MAENO Tadashi, MAKIDA Yasuhiro, MATSUI Nagataka, MATSUDA Shinya, MATSUMOTO Hiroshi, YAMAGAMI Takamasa, YAMATO Kazuhiro, YAMAMOTO Yasuchika, YOSHIDA Tetsuya, YOSHIMURA Koji, MOISEEV Alexander, ORMES Jonathan F., WANG Jian-Zhong

44 87 - 98 2002.3

Language：Japanese Publisher：Japan Aerospace Exploration Agency

A long-duration balloon flight in Antarctica, BESS-Polar experiment, is being prepared. It aims at extremely sensitive measurement of low energy antiprotons to search for any novel primary origin and to study the cosmic-ray propagation and the solar modulation. The search for cosmic antimatter such as anti-helium is a fundamental objective to study baryon asymmetry / symmetry in the Universe. This report describes the progress and future prospect of BESS-Polar experiment.

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Other Link： http://repository.tksc.jaxa.jp/pl/dr/IS0200099000

Cosmic-ray antiproton flux in the energy range from 200 to 600 MeV (vol 474, pg 479, 1997)

A Moiseev, K Yoshimura, Ueda, I, K Anraku, R Golden, M Imori, S Inaba, B Kimbell, N Kimura, Y Makida, H Matsumoto, H Matsunaga, J Mitchell, M Motoki, J Nishimura, M Nozaki, S Orito, J Ormes, T Saeki, ES Seo, S Stochaj, R Streitmatter, J Suzuki, K Tanaka, N Yajima, T Yamagami, A Yamamoto, T Yoshida

ASTROPHYSICAL JOURNAL 482 ( 2 ) 1087 - 1087 1997.6

A Result of Cosmic-origin Anti-particle Search using Balloon-borne Experiment with a Superconducting magnetic rigidity Spectrometer (BESS)

YOSHIMURA Koji, ANRAKU Kazuaki, INABA Susumu, IMORI Masatoshi, UEDA Ikuo, OTOBA Mayumi, ORITO Shuji, KIMURA Nobuhiro, SANUKI Tomoyuki, SAEKI Takayuki, SUZUKI Junichi, TANAKA Kenichi, NISHIMURA Jun, NOZAKI Mitsuaki, MAKIDA Yasuhiro, MATSUNAGA Hiroyuki, MATSUMOTO Hiroshi, MOTOKI Masakazu, YAJIMA Nobuyuki, YAMAGAMI Takamasa, YAMAMOTO Akira, YOSHIDA Tetsuya, Golden Robert, Kimbell Barbara, Mitchell Jon, Ormes Jonathan, Righter Donald, Streitmatter Robert

33 121 - 133 1996.3

Language：Japanese Publisher：Japan Aerospace Exploration Agency

Search for cosmic-origin anti-particle were performed using Balloon-borne Experiment with a Superconducting magnetic rigidity Spectrometer (BESS). Based on the data took in '93 flight, we set a 95% C. L upper limit of 4.4×10^<-5> on Anti-He/He flux ratio. We have detected four antiproton in the kinetic energy range between 300 an 500MeV, corresponding to the antiproton/proton flux ratio of 1.2×10^<-5>.

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Other Link： http://hdl.handle.net/10097/50952

Balloom-Brone Experiment with a Superconducting Magnetic Rigidity Spectrometer (BESS)-(1) / BESS Spectrometer and Balloon Flights

YAMAMOTO Akira, YOSHIDA Tetsuya, ANRAKU Kazuaki, INABA Susumu, IMORI Masatoshi, UEDA Ikuo, OTOBA Mayumi, ORITO Shuji, KIMURA Nobuhiro, SANUKI Tomoyuki, SUZUKI Jun-ichi, TANAKA Ken-ichi, NIISHIMURA Jun, NOZAKI Mitsuaki, MAKIDA Yasuhiro, MATSUNAGA Hiroyuki, MATSUMOTO Hiroshi, MOTOKI Masakazu, YAJIMA Nobuyuki, YAMAGAMI Takamasa, YOSHIMURA Koji, Golden Robert, Kimbell Barbara, Mitchell Jon, Ormes Jonahtan, Righter Donald, Streitmatter Robert

33 103 - 119 1996.3

Language：Japanese Publisher：Japan Aerospace Exploration Agency

Balloon-borne Experiment using a superconducting magnetic rigidity spectromeer is being carried out as a NASA-ISAS cooperative project. The spectrometer features to have a large geometrical acceptance of 0.4 m^2str based on a concept of transparent solenoidal magnet and horizontally cylindrical layout of the spectrometer, and it may realize a highly sensitive search for cosmic ray antiparticle search. This paper describes the spectrometer and progress of the balloon-borne spectrometer as the part (1).

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BALLOON-BORNE EXPERIMENT WITH A SUPERCONDUCTING SOLENOIDAL MAGNET SPECTROMETER

A YAMAMOTO, K ANRAKU, R GOLDEN, T HAGA, Y HIGASHI, M IMORI, S INABA, B KIMBELL, N KIMURA, Y MAKIDA, H MATSUMOTO, H MATSUNAGA, M MOTOKI, J NISHIMURA, M NOZAKI, S ORITO, T SAEKI, J SUZUKI, N TAKIMI, K TANAKA, UEDA, I, N YAJIMA, T YAMAGAMI, A YAMAMOTO, T YOSHIDA, K YOSHIMURA

BALLOON TECHNOLOGY AND OBSERVATIONS 14 ( 2 ) 75 - 87 1994

Language：English Publishing type：Book review, literature introduction, etc. Publisher：PERGAMON PRESS LTD

A balloon-borne superconducting solenoidal magnet spectrometer, BESS, has been designed and developed to investigate cosmic-rays and particle-astrophysics. Search for primordial antimatter in cosmic-rays and observation of gamma-rays are primary objectives to study early history of the Universe. The cylindrical spectrometer configuration with a thin superconducting solenoid magnet is optimized to provide a large geometrical acceptance of 0.5-1.0 m(2)sr for these scientific objectives. The spectrometer system has been completed and is planned to be launched for the first scientific flight from Lynn Lake, Canada, in 1993. This report describes the progress of the spectrometer development and discuss about its capability to search for primordial antimatter in cosmic rays.

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SEARCH FOR ANTIPARTICLES OF COSMIC ORIGIN WITH A SUPERCONDUCTING SPECTROMETER

K ANRAKU, T HAGA, M IMORI, M NOZAKI, S ORITO, K SHIMAMURA, T TSUNODA, T YOSHIDA, K YOSHIMURA, Y AJIMA, H IKEDA, S INABA, T HARUYAMA, Y HIGASHI, Y MAKIDA, J SUZUKI, A YAMAMOTO, J NISHIMURA, T YAMAGAMI, R GOLDEN, B KIMBELL

ADVANCES IN SPACE RESEARCH-SERIES 13 ( 2 ) 169 - 172 1993.2

Language：English Publisher：ELSEVIER SCI LTD

A Balloon Experiment with Superconducting Spectrometer (BESS) to search for primordial anti-matter abundance in cosmic radiation and to measure anti-proton spectrum is being prepared. A large geometry factor of 1.2 m2sr was achieved by the solenoidal detector configuration. The magnet provides an uniform magnetic field of 1.2 tesla over a cylindrical volume of 0.85m in diameter and 1.0m in length. Anti-helium nuclei will be searched for to a level of anti-He/He is similar to 10(-8) and the low energy primary anti-proton flux will be observed down to anti-proton/proton is similar to 10(-6). The superconducting magnet has been constructed and excited to 1 tesla and showed good and stable performance. The main tracking device, jet type drift chamber, together with the readout electronics and data acquisition system have been assembled and tested. A flight to test the detector performance at the balloon altitude was successfully carried out in September 1989.

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