Atmospheric gamma-ray observation with the BETS detector for calibrating atmospheric neutrino flux calculations

K. Kasahara, E. Mochizuki, Shoji Torii, T. Tamura, N. Tateyama, K. Yoshida, T. Yamagami, Y. Saito, J. Nishimura, H. Murakami, T. Kobayashi, Y. Komori, M. Honda, T. Ohuchi, S. Midorikawa, T. Yuda

研究成果: Article査読

16 被引用数 (Scopus)

抄録

We observed atmospheric gamma rays around 10 GeV at balloon altitudes (15-25 km) and at a mountain (2770 m a.s.l The observed results were compared with Monte Carlo calculations to find that an interaction model (Lund FRITIOFI.6) used in an old neutrino flux calculation was not good enough for describing the observed values. Instead, we found that two other nuclear interaction models, Lund FRITIOF7.02 and DPMJET3.03, gave much better agreement with the observations. Our data will serve for examining nuclear interaction models and for deriving a reliable absolute atmospheric neutrino flux in the GeV region.

本文言語English
論文番号052004
ジャーナルPhysical Review D
66
5
DOI
出版ステータスPublished - 2002
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics
  • Mathematical Physics

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