Measurements of Primary and Atmospheric Cosmic-Ray Spectra with the BESS-TeV Spectrometer

Authors :: Haino, S.
Sanuki, T.
Abe, K.
Anraku, K.
Asaoka, Y.
Fuke, H.
Imori, M.
Itasaki, A.
Maeno, T.
Makida, Y.
Matsuda, S.
Matsui, N.
Matsumoto, H.
Mitchell, J. W.
Moiseev, A. A.
Nishimura, J.
Nozaki, M.
Orito, S.
Ormes, J. F.
Sasaki, M.
Seo, E. S.
Shikaze, Y.
Streitmatter, R. E.
Suzuki, J.
Takasugi, Y.
Tanaka, K.
Tanizaki, K.
Yamagami, T.
Yamamoto, A.
Yamamoto, Y.
Yamato, K.
Yoshida, T.
Yoshimura, K.
Haino, S.
Sanuki, T.
Abe, K.
Anraku, K.
Asaoka, Y.
Fuke, H.
Imori, M.
Itasaki, A.
Maeno, T.
Makida, Y.
Matsuda, S.
Matsui, N.
Matsumoto, H.
Mitchell, J. W.
Moiseev, A. A.
Nishimura, J.
Nozaki, M.
Orito, S.
Ormes, J. F.
Sasaki, M.
Seo, E. S.
Shikaze, Y.
Streitmatter, R. E.
Suzuki, J.
Takasugi, Y.
Tanaka, K.
Tanizaki, K.
Yamagami, T.
Yamamoto, A.
Yamamoto, Y.
Yamato, K.
Yoshida, T.
Yoshimura, K.
Publication Year :: 2004
Abstract: Primary and atmospheric cosmic-ray spectra were precisely measured with the BESS-TeV spectrometer. The spectrometer was upgraded from BESS-98 to achieve seven times higher resolution in momentum measurement. We report absolute fluxes of primary protons and helium nuclei in the energy ranges, 1-540 GeV and 1-250 GeV/n, respectively, and absolute flux of atmospheric muons in the momentum range 0.6-400 GeV/c.<br />Comment: 26 pages, 9 figures, 3 tables, Submitted to Phys. Lett. B

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