AbstractThe cosmic-ray energetics and mass (CREAM) investigation is designed to measure cosmic-ray composition to the supernova energy scale of 1015 eV in a series of ultra long duration balloon (ULDB) flights. The first flight is planned to be launched from Antarctica in December 2004. The goal is to observe cosmic-ray spectral features and/or abundance changes that might signify a limit to supernova acceleration. The particle charge (Z) measurements will be made with a timing-based charge detector and a pixelated silicon charge detector to minimize the effect of backscatter from the calorimeter. The particle energy measurements will be made with a transition radiation detector (TRD) for Z>3 and a sampling tungsten/scintillator calorimeter for Z⩾1 particles, allowing inflight cross calibration of the two detectors. The status of the payload construction and flight preparation are reported in this paper.


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    Title :

    Cosmic-ray energetics and mass (CREAM) balloon project


    Contributors:
    Seo, E.S. (author) / Ahn, H.S. (author) / Beatty, J.J. (author) / Coutu, S. (author) / Choi, M.J. (author) / DuVernois, M.A. (author) / Ganel, O. (author) / Kang, T.G. (author) / Kim, K.C. (author) / Lee, M.H. (author)

    Published in:

    Advances in Space Research ; 33 , 10 ; 1777-1785


    Publication date :

    2003-05-02


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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