Study of >100 GeV electrons with BETS detector using a long duration balloon flight in Antarctica

Shoji Torii, K. Yoshida*, T. Tamura, H. Kitamura, T. Yamagami, N. Tateyama, K. Anraku, T. Yamashita, J. Chang, J. Nishimura, Y. Saito, S. Ohta, M. Namiki, Y. Matsuzaka, I. Iijima, H. Yamagishi, A. Kadokura, K. Kasahara, S. Ogawa, M. FujiiY. Tasaki, H. Kaiho, M. Shibata, Y. Katayose, T. Inoue, K. Mizutani, Y. Hirai, H. Murakami, T. Kobayashi, Y. Komori, T. Yuda

*この研究の対応する著者

研究成果: Article査読

8 被引用数 (Scopus)

抄録

We have observed cosmic-ray electrons from 10 to 1000 GeV by a long duration balloon flight using Polar Patrol Balloon (PPB) in Antarctica. The observation was carried out for 13 days at an altitude of 35 km in January 2004. The detector is an imaging calorimeter composed of scintillating-fiber belts and plastic scintillators inserted between lead plates. The geometrical factor of detector is about 600 cm2sr and the total thickness of lead absorber is 9 radiation lengths. The performance of the detector has been confirmed by the CERN-SPS beam test and also investigated by Monte-Carlo simulations. New telemetry system using a commercial satellite of iridium, power supply by solar batteries, and automatic level control using CPU have successfully been developed and operated during the flight. We have collected 5.7 × 103 events over 100 GeV including nearly 100 candidates of primary electrons.

本文言語English
ページ(範囲)2095-2102
ページ数8
ジャーナルAdvances in Space Research
37
11
DOI
出版ステータスPublished - 2006
外部発表はい

ASJC Scopus subject areas

  • 宇宙惑星科学
  • 天文学と天体物理学

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