Measurement of cosmic-ray antiproton spectrum with BESS-2002

S. Haino, K. Abe, H. Fuke, T. Maeno, Y. Makida, S. Matsuda, H. Matsumoto, J. W. Mitchell, A. A. Moiseev, J. Nishimura, M. Nozaki, S. Orito, J. F. Ormes, T. Sanuki, M. Sasaki, E. S. Seo, Y. Shikaze, R. E. Streitmatter, J. Suzuki, K. TanakaT. Yamagami, A. Yamamoto, T. Yoshida, K. Yoshimura

Research output: Contribution to conferencePaperpeer-review

22 Citations (Scopus)


We report a cosmic-ray antiproton spectrum measured with the BESS balloon experiment performed in 2002, which was in an intermediate period between the solar maximum in 2000 and the coming solar minimum. The observed antiproton spectrum and the antiproton to proton ratio are crucial for further development of the drift model of the solar modulation effect which has been generally supported by the previous measurements.

Original languageEnglish
Number of pages4
Publication statusPublished - 2005
Event29th International Cosmic Ray Conference, ICRC 2005 - Pune, India
Duration: 2005 Aug 32005 Aug 10


Conference29th International Cosmic Ray Conference, ICRC 2005


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