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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

286 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 - 2004 Jul 29
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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