Cosmic-ray electron spectrum above 100 GeV from PPB-BETS experiment in Antarctica

K. Yoshida, Shoji Torii, T. Yamagami, T. Tamura, H. Kitamura, J. Chang, I. Iijima, A. Kadokura, K. Kasahara, Y. Katayose, T. Kobayashi, Y. Komori, Y. Matsuzaka, K. Mizutani, H. Murakami, M. Namiki, J. Nishimura, S. Ohta, Y. Saito, M. ShibataN. Tateyama, H. Yamagishi, T. Yuda

    研究成果: Article査読

    53 被引用数 (Scopus)

    抄録

    Cosmic-ray electrons have been observed in the energy region from 10 GeV to 1 TeV with the PPB-BETS by a long duration balloon flight using a Polar Patrol Balloon (PPB) in Antarctica. The observation was carried out for 13 days at an average altitude of 35 km in January 2004. The PPB-BETS detector is an imaging calorimeter composed of scintillating-fiber belts and plastic scintillators inserted between lead plates. In the study of cosmic-ray electrons, there have been some suggestions that high-energy electrons above 100 GeV are a powerful probe to identify nearby cosmic-ray sources and search for particle dark matter. In this paper, we present the energy spectrum of cosmic-ray electrons in the energy range from 100 GeV to 1 TeV at the top of atmosphere, and compare our spectrum with the results from other experiments.

    本文言語English
    ページ(範囲)1670-1675
    ページ数6
    ジャーナルAdvances in Space Research
    42
    10
    DOI
    出版ステータスPublished - 2008 11 17

    ASJC Scopus subject areas

    • 宇宙惑星科学
    • 天文学と天体物理学

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