Spectra of H and HE measured in a series of annual flights

E. S. Seo, J. Z. Wang, H. Matsunaga, K. Anraku, M. Imori, Y. Makida, H. Matsumoto, F. B. McDonald, J. Mitchell, A. Moiseev, M. Motoki, J. Nishimura, M. Nozaki, S. Orito, J. F. Ormes, M. Otoba, T. Saeki, T. Sanuki, R. E. Streitmatter, J. SuzukiK. Tanaka, I. Ueda, N. Yajima, T. Yamagami, A. Yamamoto, T. Yoshida, K. Yoshimura

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We have obtained the absolute spectra of H and He by analyzing data collected by a series of annual flights of the Balloon borne Experiment with a Superconducting solenoid Spectrometer payload. This instrument is configured with a cylindrical magnet, a Time-of-Flight system, a set of cylindrical multiwire drift chambers inside and outside the magnet, and a central tracking device Jet chamber. The analysis involves Monte Carlo simulations of the effective geometry factor, studies of various efficiencies, and corrections for the ionization energy loss, attenuation and atmospheric secondaries. Variations of the H and He fluxes at different levels of solar modulation are presented.

Original languageEnglish
Pages (from-to)1831-1834
Number of pages4
JournalAdvances in Space Research
Volume26
Issue number11
DOIs
Publication statusPublished - Dec 2000
Externally publishedYes

ASJC Scopus subject areas

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

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  • Cite this

    Seo, E. S., Wang, J. Z., Matsunaga, H., Anraku, K., Imori, M., Makida, Y., Matsumoto, H., McDonald, F. B., Mitchell, J., Moiseev, A., Motoki, M., Nishimura, J., Nozaki, M., Orito, S., Ormes, J. F., Otoba, M., Saeki, T., Sanuki, T., Streitmatter, R. E., ... Yoshimura, K. (2000). Spectra of H and HE measured in a series of annual flights. Advances in Space Research, 26(11), 1831-1834. https://doi.org/10.1016/S0273-1177(99)01232-6