Development of high dynamic range read-out system using multi-photodiode for the total absorption calorimeter of calet

Y. Katayose, M. Shibata, Shoji Torii, Y. Shimizu, T. Tamura, K. Hibino, S. Okuno, K. Yoshida, H. Kitamura, Y. Uchihori, H. Murakami

    研究成果: Conference contribution

    4 被引用数 (Scopus)

    抄録

    We are developing a total absorption calorimeter (TASC) of the CALET (CALorimetric Electron Telescope) instrument for observing high energy electrons and gamma rays on the ISS (International Space Station). A read-out system using a multi-photodiode and a front-end circuit including analog ASIC, 16 bit ADC and FPGA has been developed to measure the energy deposit with the dynamic range from 1MIPs(Minimum Ionization Particle) up to 106MIPs in a BGO bar of TASC. The output signal of 1 MIP was calibrated by cosmic-ray muon. The ADC count of light yield of BGO by a cosmic-ray muon was 10.8fC on average. The dynamic range of the read-out system was confirmed from 1MIPs to about 2400 MIPs with both of LED pulse and heavy ions beam.

    本文言語English
    ホスト出版物のタイトルProceedings of the 30th International Cosmic Ray Conference, ICRC 2007
    出版社Universidad Nacional Autonoma de Mexico
    ページ437-440
    ページ数4
    2
    OG PART 1
    出版ステータスPublished - 2007
    イベント30th International Cosmic Ray Conference, ICRC 2007 - Merida, Yucatan, Mexico
    継続期間: 2007 7月 32007 7月 11

    Other

    Other30th International Cosmic Ray Conference, ICRC 2007
    国/地域Mexico
    CityMerida, Yucatan
    Period07/7/307/7/11

    ASJC Scopus subject areas

    • 核物理学および高エネルギー物理学

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