High-purity germanium gamma-ray spectrometer with stirling cycle cryocooler

M. N. Kobayashi, Nobuyuki Hasebe, T. Miyachi, T. Doke, J. Kikuchi, H. Okada, A. Oka, O. Okudaira, H. Souri, N. Yamashita, E. Shibamura, T. Kashiwagi, T. Takashima, K. Narasaki, K. Tsurumi, K. Mori, C. d'Uston, S. Maurice, M. Grande, R. C. Reedy

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    The Japanese lunar polar orbiter SELENE carries a gamma-ray spectrometer which uses a high-purity Ge detector cooled to 80-90 K by a Stirling mechanical cooler. The Gamma-Ray Spectrometer (GRS) consists of a large volume n-type Ge detector (252 cc) as the main detector and bismuth-germanate (BGO) and plastic scintillators as an active shielding. The engineering model still maintains excellent energy resolution even after severe vibration testing. The Gamma-Ray Spectrometer will globally map of the Moon for the major elements of O, Mg, Al, Si, Ti, Fe, etc. and natural radioisotopes of K, Th and U with a high precision. The energy resolution of the GRS is such that it would identify prompt gamma-ray line from hydrogen and the location and the amount of ice, if it exists at the polar regions.

    Original languageEnglish
    Pages (from-to)1927-1931
    Number of pages5
    JournalAdvances in Space Research
    Volume30
    Issue number8
    DOIs
    Publication statusPublished - 2002

    Fingerprint

    Stirling cycle
    Gamma ray spectrometers
    gamma ray spectrometers
    germanium
    Germanium
    purity
    spectrometer
    Detectors
    detectors
    bismuth
    Moon
    moon
    polar region
    Bismuth
    coolers
    Radioisotopes
    Gamma rays
    Shielding
    Phosphors
    polar regions

    ASJC Scopus subject areas

    • Space and Planetary Science
    • Astronomy and Astrophysics

    Cite this

    Kobayashi, M. N., Hasebe, N., Miyachi, T., Doke, T., Kikuchi, J., Okada, H., ... Reedy, R. C. (2002). High-purity germanium gamma-ray spectrometer with stirling cycle cryocooler. Advances in Space Research, 30(8), 1927-1931. https://doi.org/10.1016/S0273-1177(02)00490-8

    High-purity germanium gamma-ray spectrometer with stirling cycle cryocooler. / Kobayashi, M. N.; Hasebe, Nobuyuki; Miyachi, T.; Doke, T.; Kikuchi, J.; Okada, H.; Oka, A.; Okudaira, O.; Souri, H.; Yamashita, N.; Shibamura, E.; Kashiwagi, T.; Takashima, T.; Narasaki, K.; Tsurumi, K.; Mori, K.; d'Uston, C.; Maurice, S.; Grande, M.; Reedy, R. C.

    In: Advances in Space Research, Vol. 30, No. 8, 2002, p. 1927-1931.

    Research output: Contribution to journalArticle

    Kobayashi, MN, Hasebe, N, Miyachi, T, Doke, T, Kikuchi, J, Okada, H, Oka, A, Okudaira, O, Souri, H, Yamashita, N, Shibamura, E, Kashiwagi, T, Takashima, T, Narasaki, K, Tsurumi, K, Mori, K, d'Uston, C, Maurice, S, Grande, M & Reedy, RC 2002, 'High-purity germanium gamma-ray spectrometer with stirling cycle cryocooler', Advances in Space Research, vol. 30, no. 8, pp. 1927-1931. https://doi.org/10.1016/S0273-1177(02)00490-8
    Kobayashi, M. N. ; Hasebe, Nobuyuki ; Miyachi, T. ; Doke, T. ; Kikuchi, J. ; Okada, H. ; Oka, A. ; Okudaira, O. ; Souri, H. ; Yamashita, N. ; Shibamura, E. ; Kashiwagi, T. ; Takashima, T. ; Narasaki, K. ; Tsurumi, K. ; Mori, K. ; d'Uston, C. ; Maurice, S. ; Grande, M. ; Reedy, R. C. / High-purity germanium gamma-ray spectrometer with stirling cycle cryocooler. In: Advances in Space Research. 2002 ; Vol. 30, No. 8. pp. 1927-1931.
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    AU - Hasebe, Nobuyuki

    AU - Miyachi, T.

    AU - Doke, T.

    AU - Kikuchi, J.

    AU - Okada, H.

    AU - Oka, A.

    AU - Okudaira, O.

    AU - Souri, H.

    AU - Yamashita, N.

    AU - Shibamura, E.

    AU - Kashiwagi, T.

    AU - Takashima, T.

    AU - Narasaki, K.

    AU - Tsurumi, K.

    AU - Mori, K.

    AU - d'Uston, C.

    AU - Maurice, S.

    AU - Grande, M.

    AU - Reedy, R. C.

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