Measurements of primary and atmospheric cosmic-ray spectra with the BESS-TeV spectrometer

S. Haino, T. Sanuki, K. Abe, K. Anraku, Y. Asaoka, H. Fuke, M. Imori, A. Itasaki, T. Maeno, Y. Makida, S. Matsuda, N. Matsui, H. Matsumoto, J. W. Mitchell, A. A. Moiseev, J. Nishimura, M. Nozaki, S. Orito, J. F. Ormes, M. SasakiE. S. Seo, Y. Shikaze, R. E. Streitmatter, J. Suzuki, Y. Takasugi, K. Tanaka, K. Tanizaki, T. Yamagami, A. Yamamoto, Y. Yamamoto, K. Yamato, T. Yoshida, K. Yoshimura

Research output: Contribution to journalArticlepeer-review

277 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)35-46
Number of pages12
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1-2
Publication statusPublished - Jul 29 2004
Externally publishedYes


  • 29.30.Aj
  • 95.85.Ry
  • 96.40.De
  • 96.40.Tv
  • Atmospheric muon
  • Atmospheric neutrino
  • Cosmic-ray helium
  • Cosmic-ray proton
  • Superconducting spectrometer

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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