Cosmic ray 1 H and 2 H spectra from BESS 98

Z. D. Myers, E. S. Seo, J. Z. Wang, R. W. Alford, K. Abe, K. Anraku, Y. Asaoka, M. Fujikawa, M. Imori, T. Maeno, Y. Makida, H. Matsumoto, H. Matsunaga, J. Mitchell, T. Mitsui, A. Moiseev, M. Motoki, J. Nishimura, M. Nozaki, S. OritoJ. Ormes, T. Saeki, T. Sanuki, M. Sasaki, Y. Shikaze, T. Sonoda, R. Streitmatter, J. Suzuki, K. Tanaka, I. Ueda, N. Yajima, T. Yamagami, A. Yamamoto, T. Yoshida, K. Yoshimura

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Abstract

The Balloon-borne Experiment with a Super-solenoidal Spectrometer (BESS) instrument has been flown annually from Lynn Lake Manitoba since 1993. The instrument has been upgraded several times to improve its performance. The instalment flown in 1998 was able to detect 2 H clearly between 0.13 and 1.78 GeV/n as a result of improvements made on the time-of-flight (TOF) system. The BESS 98 data were analyzed to obtain the ratio and absolute fluxes of 1 H and 2 H over this energy range. The results were compared with different cosmic ray propagation models and their implications regarding their propagation history are discussed in this paper.

Original languageEnglish
Pages (from-to)151-155
Number of pages5
JournalAdvances in Space Research
Volume35
Issue number1
DOIs
Publication statusPublished - Jan 1 2005
Externally publishedYes

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Keywords

  • BESS 98
  • Cosmic ray H and H spectra
  • Secondary particles
  • Spallation

ASJC Scopus subject areas

  • Aerospace Engineering
  • Astronomy and Astrophysics
  • Geophysics
  • Atmospheric Science
  • Space and Planetary Science
  • Earth and Planetary Sciences(all)

Cite this

Myers, Z. D., Seo, E. S., Wang, J. Z., Alford, R. W., Abe, K., Anraku, K., Asaoka, Y., Fujikawa, M., Imori, M., Maeno, T., Makida, Y., Matsumoto, H., Matsunaga, H., Mitchell, J., Mitsui, T., Moiseev, A., Motoki, M., Nishimura, J., Nozaki, M., ... Yoshimura, K. (2005). Cosmic ray 1 H and 2 H spectra from BESS 98 Advances in Space Research, 35(1), 151-155. https://doi.org/10.1016/j.asr.2003.10.050