J
J. Z. Wang
Researcher at University of Maryland, College Park
Publications - 41
Citations - 1411
J. Z. Wang is an academic researcher from University of Maryland, College Park. The author has contributed to research in topics: Cosmic ray & Advanced Thin Ionization Calorimeter. The author has an hindex of 17, co-authored 41 publications receiving 1379 citations.
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Journal ArticleDOI
Precise Measurement of Cosmic-Ray Proton and Helium Spectra with the BESS Spectrometer
T. Sanuki,M. Motoki,M. Motoki,Hironori Matsumoto,Eun-Suk Seo,J. Z. Wang,K. Abe,Kazuaki Anraku,Yoichi Asaoka,M. Fujikawa,Masatoshi Imori,Tadashi Maeno,Y. Makida,Nagataka Matsui,H. Matsunaga,H. Matsunaga,John Mitchell,T. Mitsui,T. Mitsui,Alexander Moiseev,J. Nishimura,Mitsuaki Nozaki,S. Orito,Jonathan F. Ormes,T. Saeki,Makoto Sasaki,Y. Shikaze,T. Sonoda,R. E. Streitmatter,Jun-ichi Suzuki,Kenichi Tanaka,Ikuo Ueda,N. Yajima,T. Yamagami,Akira Yamamoto,Tetsuya Yoshida,Koji Yoshimura +36 more
TL;DR: The magnetic rigidity of the cosmic-ray proton and helium spectra was reliably determined by highly precise measurement of the circular track in a uniform solenoidal magnetic field of 1 Tesla as discussed by the authors.
Journal ArticleDOI
Precise Measurement of Cosmic-Ray Proton and Helium Spectra with the BESS Spectrometer
T. Sanuki,M. Motoki,M. Motoki,Hironori Matsumoto,Eun-Suk Seo,J. Z. Wang,K. Abe,Kazuaki Anraku,Yoichi Asaoka,M. Fujikawa,Masatoshi Imori,Tadashi Maeno,Y. Makida,Nagataka Matsui,H. Matsunaga,H. Matsunaga,John Mitchell,T. Mitsui,T. Mitsui,Alexander Moiseev,J. Nishimura,Mitsuaki Nozaki,S. Orito,Jonathan F. Ormes,T. Saeki,Makoto Sasaki,Y. Shikaze,T. Sonoda,R. E. Streitmatter,Jun-ichi Suzuki,Kenichi Tanaka,Ikuo Ueda,N. Yajima,T. Yamagami,Akira Yamamoto,Tetsuya Yoshida,Koji Yoshimura +36 more
TL;DR: The magnetic rigidity of the cosmic ray was reliably determined by highly precise measurement of the circular track in a uniform solenoidal magnetic field of 1 T in 1998 as discussed by the authors, and the cosmic-ray proton and helium spectra were determined within overall uncertainties of ±5% for protons and ±10% for helium nuclei including statistical and systematic errors.
Journal ArticleDOI
Measurements of cosmic-ray low-energy antiproton and proton spectra in a transient period of solar field reversal.
Yoichi Asaoka,Y. Shikaze,K. Abe,Kazuaki Anraku,M. Fujikawa,Hideyuki Fuke,Sadakazu Haino,M. Imori,Keisuke Izumi,Tadashi Maeno,Yasuhiro Makida,S. Matsuda,Nagataka Matsui,T. Matsukawa,H. Matsumoto,H. Matsunaga,H. Matsunaga,John Mitchell,T. Mitsui,A. A. Moiseev,M. Motoki,J. Nishimura,Mitsuaki Nozaki,S. Orito,Jonathan F. Ormes,T. Saeki,T. Sanuki,M. Sasaki,Eun-Suk Seo,T. Sonoda,R. E. Streitmatter,Jun-ichi Suzuki,Kazuhiro Tanaka,K. Tanizaki,Ikuo Ueda,J. Z. Wang,Y. Yajima,Y. Yamagami,Akira Yamamoto,Yoshihisa Yamamoto,K. Yamato,T. Yoshida,Kohei Yoshimura +42 more
TL;DR: Based on measurements, a sudden increase of the *p/p flux ratio following the solar magnetic field reversal was observed, and it generally agrees with a drift model of the solar modulation.
Journal ArticleDOI
Successive measurements of cosmic-ray antiproton spectrum in a positive phase of the solar cycle
Tadashi Maeno,S. Orito,H. Matsunaga,K. Abe,Kazuaki Anraku,Yoichi Asaoka,M. Fujikawa,M. Imori,Yasuhiro Makida,Nagataka Matsui,H. Matsumoto,John Mitchell,T. Mitsui,A. A. Moiseev,M. Motoki,Jun Nishimura,Mitsuaki Nozaki,Jonathan F. Ormes,T. Saeki,T. Sanuki,M. Sasaki,Eun-Suk Seo,Y. Shikaze,T. Sonoda,R. E. Streitmatter,J. Suzuki,K. Tanaka,Ikuo Ueda,J. Z. Wang,N. Yajima,Takamasa Yamagami,Akira Yamamoto,Tetsuya Yoshida,Koji Yoshimura +33 more
TL;DR: The energy spectrum of cosmic-ray antiprotons (p's) has been measured by BESS successively in 1993, 1995, 1997 and 1998 and 848 p's were clearly identified in energy range 0.18-4.20 GeV.
Journal ArticleDOI
Measurement of Cosmic-Ray Hydrogen and Helium and Their Isotopic Composition with the BESS Experiment
J. Z. Wang,Eun-Suk Seo,Kazuaki Anraku,M. Fujikawa,M. Imori,Tadashi Maeno,Nagataka Matsui,H. Matsunaga,M. Motoki,S. Orito,T. Saeki,T. Sanuki,Ikuo Ueda,Kohei Yoshimura,Yasuhiro Makida,Jun-ichi Suzuki,Kazuhiro Tanaka,Akira Yamamoto,Tessei Yoshida,T. Mitsui,Hiroshi Matsumoto,Mitsuaki Nozaki,M. Sasaki,John Mitchell,A. A. Moiseev,Jonathan F. Ormes,R. E. Streitmatter,Jun Nishimura,Y. Yajima,Takamasa Yamagami +29 more
TL;DR: In this paper, the authors presented the hydrogen and helium nuclei energy spectra from 0.2 to 10 GeV nucleon-1 and their isotopic composition from about 1 GeV nucleus-1 for the first BESS flight, which provided the first simultaneous measurements of the cosmic-ray secondaries, deuterons, and 3He, with their primaries, protons and 4He over this energy range.