Performance of the CALET calorimeter by accelerator beam test

Y. Katayose*, Shoji Torii, T. Tamura, K. Yoshida, H. Murakami, H. Fuke, K. Hibino, M. Ichimura, K. Kasahara, K. Kashiwagi, H. Kitamura, Y. Komori, S. Kuramata, T. Kobayashi, F. Makino, K. Mizutani, J. Nishimura, S. Okuno, Y. Saito, M. ShibataM. Takayanagi, N. Tateyama, T. Terasawa, H. Tomida, Y. Uchihori, S. Ueno, T. Yamagami, T. Yuda

*この研究の対応する著者

    研究成果: Conference contribution

    5 被引用数 (Scopus)

    抄録

    We are developing the CALET (CALorimetric Electron Telescope) instrument for observing high energy electrons and gamma rays on ISS. For confirming the CALET capability expected by simulations, we made a small model of CALET with a size of 2/3 in thickness and had the experimental tests by using beams available in CERN. The beams used are 50GeV, 100GeV electrons and 150 GeV protons. The energy resolution is φ/E = 0.4 ± 0.1% and 2.25 ± 0.04% for 50GeV and 100GeV electrons, respectively. About 97.3% of protons can be rejected by shower image , while approximately 96.8% of electrons are correctly identified. The performance of the model was also investigated by Monte Carlo simulation to compare with the results by beam tests. We confirmed good consistency between simulation and the beam test.

    本文言語English
    ホスト出版物のタイトル29th International Cosmic Ray Conference, ICRC 2005
    出版社Tata Institute of Fundamental Research
    ページ325-328
    ページ数4
    3
    出版ステータスPublished - 2005
    イベント29th International Cosmic Ray Conference, ICRC 2005 - Pune
    継続期間: 2005 8 32005 8 10

    Other

    Other29th International Cosmic Ray Conference, ICRC 2005
    CityPune
    Period05/8/305/8/10

    ASJC Scopus subject areas

    • 核物理学および高エネルギー物理学

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