The CALET mission on international space station

S. Torii, T. Tamura, N. Tateyama, K. Hibino, T. Yuda, K. Yoshida, K. Kashiwagi, S. Okuno, J. Nishimura, T. Yamagami, Y. Saito, H. Fuke, M. Takayanagi, H. Tomida, S. Ueno, F. Makino, M. Shibata, Y. Katayose, S. Kuramata, M. IchimuraY. Uchihori, H. Kitamura, K. Kasahara, H. Murakami, T. Kobayashi, Y. Komori, K. Mizutani, T. Terasawam, R. E. Streitmatter, J. W. Mitchell, L. M. Barbier, A. A. Moiseev, J. F. Krizmanic, J. F. Ormes, W. R. Binns, M. H. Israel, H. S. Krawzczynski, G. Case, M. L. Cherry, T. G. Guzik, J. B. Isbert, J. P. Wefel, P. S. Marrocchesi, P. Maestro, M. G. Bagliesi, V. Millucci, M. Meucci, G. Bigongiari, R. Zei, F. Ligabue, F. Morsani, O. Adriani, P. Papini, P. Spillantini, L. Bonechi, E. Vannuccini, J. Chang, W. Gan, T. Lu

Research output: Contribution to conferencePaper

Abstract

The CALorimetric Electron Telescope (CALET) mission is proposed for the observation of various components of cosmic-rays as well as ?-rays on the Exposure Facility of the Japanese Experiment Module ( EF/JEM ) on the International Space Station (ISS). The detector is composed of an imaging calorimeter of scintillating fibers (IMC), a total absorption calorimeter of BGO (TASC) and a silicon pad module at the top of IMC . The total thickness of absorber is 36 r.l for the electromagnetic particles and 1.8 m.f.p for protons. The total weight of the payload, including the detector, the support, the interface instruments with JEM so on, is nearly 2,500 kg and the geometrical factor for the electrons is about 1 m2 sr. The CALET has a unique capability to measure electrons and ?-rays beyond 1 TeV since the hadron rejection power is 106. The energy resolution for the electro-magnetic particles is better than a few % above 100 GeV. The detector is optimally designed to detect changes in the energy spectra caused by physical processes, or a line signature in the energy distribution expected from annihilations of dark matter candidates. This paper is the first presentation by the international team of the CALET collaboration.

Original languageEnglish
Pages329-332
Number of pages4
Publication statusPublished - 2005 Jan 1
Event29th International Cosmic Ray Conference, ICRC 2005 - Pune, India
Duration: 2005 Aug 32005 Aug 10

Conference

Conference29th International Cosmic Ray Conference, ICRC 2005
CountryIndia
CityPune
Period05/8/305/8/10

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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  • Cite this

    Torii, S., Tamura, T., Tateyama, N., Hibino, K., Yuda, T., Yoshida, K., Kashiwagi, K., Okuno, S., Nishimura, J., Yamagami, T., Saito, Y., Fuke, H., Takayanagi, M., Tomida, H., Ueno, S., Makino, F., Shibata, M., Katayose, Y., Kuramata, S., ... Lu, T. (2005). The CALET mission on international space station. 329-332. Paper presented at 29th International Cosmic Ray Conference, ICRC 2005, Pune, India.