CALET mission on JEM/EF of the ISS

Shoji Torii

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    We are developing the CALorimetric Electron Telescope, CALET, mission for the Japanese Experiment Module Exposed Facility, JEM-EF, of the International Space Station. Major scientific objectives are to search for the nearby cosmic ray sources and dark matter by carrying out a precise measurement of the electrons in 1 GeV - 20 TeV and gamma rays in 20 MeV - several 10 TeV. CALET has a unique capability to observe electrons and gamma rays over 1 TeV since the hadron rejection power can be larger than 105 and the energy resolution better than a few % over 100 GeV. The detector consists of an imaging calorimeter with scintillating fibers and tungsten plates and a total absorption calorimeter with BGO scintillators. CALET has also a capability to measure cosmic ray H, He and heavy ions up to 1000 TeV. It also will have a function to monitor solar activity and gamma ray transients. The phase A study has started on a schedule of launch in 2013 by H-II Transfer Vehicle (HTV) for a 5 year observation.

    Original languageEnglish
    Pages (from-to)68-73
    Number of pages6
    JournalJournal of the Physical Society of Japan
    Volume78
    Issue numberSUPPL. A
    Publication statusPublished - 2009

    Fingerprint

    International Space Station
    rays
    gamma rays
    calorimeters
    cosmic rays
    particle telescopes
    scintillating fibers
    schedules
    solar activity
    rejection
    scintillation counters
    dark matter
    heavy ions
    tungsten
    vehicles
    ions
    electrons
    modules
    detectors
    energy

    Keywords

    • Calorimeter
    • Cosmic ray
    • Dark matter
    • Electrons
    • Gamma rays
    • High energy
    • ISS
    • JEM

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

    Cite this

    CALET mission on JEM/EF of the ISS. / Torii, Shoji.

    In: Journal of the Physical Society of Japan, Vol. 78, No. SUPPL. A, 2009, p. 68-73.

    Research output: Contribution to journalArticle

    Torii, S 2009, 'CALET mission on JEM/EF of the ISS', Journal of the Physical Society of Japan, vol. 78, no. SUPPL. A, pp. 68-73.
    Torii, Shoji. / CALET mission on JEM/EF of the ISS. In: Journal of the Physical Society of Japan. 2009 ; Vol. 78, No. SUPPL. A. pp. 68-73.
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