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Measurement of the Iron Spectrum in Cosmic Rays from 10 GeV/n to 2.0 TeV/n with the Calorimetric Electron Telescope on the International Space Station.
Adriani, O; Akaike, Y; Asano, K; Asaoka, Y; Berti, E; Bigongiari, G; Binns, W R; Bongi, M; Brogi, P; Bruno, A; Buckley, J H; Cannady, N; Castellini, G; Checchia, C; Cherry, M L; Collazuol, G; Ebisawa, K; Fuke, H; Gonzi, S; Guzik, T G; Hams, T; Hibino, K; Ichimura, M; Ioka, K; Ishizaki, W; Israel, M H; Kasahara, K; Kataoka, J; Kataoka, R; Katayose, Y; Kato, C; Kawanaka, N; Kawakubo, Y; Kobayashi, K; Kohri, K; Krawczynski, H S; Krizmanic, J F; Link, J; Maestro, P; Marrocchesi, P S; Messineo, A M; Mitchell, J W; Miyake, S; Moiseev, A A; Mori, M; Mori, N; Motz, H M; Munakata, K; Nakahira, S; Nishimura, J.
Afiliação
  • Adriani O; Department of Physics, University of Florence, Via Sansone, 1, 50019 Sesto, Fiorentino, Italy.
  • Akaike Y; INFN Sezione di Florence, Via Sansone, 1, 50019 Sesto, Fiorentino, Italy.
  • Asano K; Waseda Research Institute for Science and Engineering, Waseda University, 17 Kikuicho, Shinjuku, Tokyo 162-0044, Japan.
  • Asaoka Y; JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan.
  • Berti E; Institute for Cosmic Ray Research, The University of Tokyo, 5-1-5 Kashiwa-no-Ha, Kashiwa, Chiba 277-8582, Japan.
  • Bigongiari G; Institute for Cosmic Ray Research, The University of Tokyo, 5-1-5 Kashiwa-no-Ha, Kashiwa, Chiba 277-8582, Japan.
  • Binns WR; Department of Physics, University of Florence, Via Sansone, 1, 50019 Sesto, Fiorentino, Italy.
  • Bongi M; INFN Sezione di Florence, Via Sansone, 1, 50019 Sesto, Fiorentino, Italy.
  • Brogi P; Department of Physical Sciences, Earth and Environment, University of Siena, via Roma 56, 53100 Siena, Italy.
  • Bruno A; INFN Sezione di Pisa, Polo Fibonacci, Largo B. Pontecorvo, 3, 56127 Pisa, Italy.
  • Buckley JH; Department of Physics and McDonnell Center for the Space Sciences, Washington University, One Brookings Drive, St. Louis, Missouri 63130-4899, USA.
  • Cannady N; Department of Physics, University of Florence, Via Sansone, 1, 50019 Sesto, Fiorentino, Italy.
  • Castellini G; INFN Sezione di Florence, Via Sansone, 1, 50019 Sesto, Fiorentino, Italy.
  • Checchia C; Department of Physical Sciences, Earth and Environment, University of Siena, via Roma 56, 53100 Siena, Italy.
  • Cherry ML; INFN Sezione di Pisa, Polo Fibonacci, Largo B. Pontecorvo, 3, 56127 Pisa, Italy.
  • Collazuol G; Heliospheric Physics Laboratory, NASA/GSFC, Greenbelt, Maryland 20771, USA.
  • Ebisawa K; Department of Physics and McDonnell Center for the Space Sciences, Washington University, One Brookings Drive, St. Louis, Missouri 63130-4899, USA.
  • Fuke H; Center for Space Sciences and Technology, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA.
  • Gonzi S; Astroparticle Physics Laboratory, NASA/GSFC, Greenbelt, Maryland 20771, USA.
  • Guzik TG; Center for Research and Exploration in Space Sciences and Technology, NASA/GSFC, Greenbelt, Maryland 20771, USA.
  • Hams T; Institute of Applied Physics (IFAC), National Research Council (CNR), Via Madonna del Piano, 10, 50019 Sesto, Fiorentino, Italy.
  • Hibino K; Department of Physical Sciences, Earth and Environment, University of Siena, via Roma 56, 53100 Siena, Italy.
  • Ichimura M; Department of Physics and Astronomy, Louisiana State University, 202 Nicholson Hall, Baton Rouge, Louisiana 70803, USA.
  • Ioka K; Department of Physics and Astronomy, University of Padova, Via Marzolo, 8, 35131 Padova, Italy.
  • Ishizaki W; INFN Sezione di Padova, Via Marzolo, 8, 35131 Padova, Italy.
  • Israel MH; Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo, Sagamihara, Kanagawa 252-5210, Japan.
  • Kasahara K; Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo, Sagamihara, Kanagawa 252-5210, Japan.
  • Kataoka J; Department of Physics, University of Florence, Via Sansone, 1, 50019 Sesto, Fiorentino, Italy.
  • Kataoka R; INFN Sezione di Florence, Via Sansone, 1, 50019 Sesto, Fiorentino, Italy.
  • Katayose Y; Department of Physics and Astronomy, Louisiana State University, 202 Nicholson Hall, Baton Rouge, Louisiana 70803, USA.
  • Kato C; Center for Space Sciences and Technology, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA.
  • Kawanaka N; Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa, Yokohama, Kanagawa 221-8686, Japan.
  • Kawakubo Y; Faculty of Science and Technology, Graduate School of Science and Technology, Hirosaki University, 3, Bunkyo, Hirosaki, Aomori 036-8561, Japan.
  • Kobayashi K; Yukawa Institute for Theoretical Physics, Kyoto University, Kitashirakawa Oiwakecho, Sakyo, Kyoto 606-8502, Japan.
  • Kohri K; Institute for Cosmic Ray Research, The University of Tokyo, 5-1-5 Kashiwa-no-Ha, Kashiwa, Chiba 277-8582, Japan.
  • Krawczynski HS; Department of Physics and McDonnell Center for the Space Sciences, Washington University, One Brookings Drive, St. Louis, Missouri 63130-4899, USA.
  • Krizmanic JF; Department of Electronic Information Systems, Shibaura Institute of Technology, 307 Fukasaku, Minuma, Saitama 337-8570, Japan.
  • Link J; Waseda Research Institute for Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan.
  • Maestro P; National Institute of Polar Research, 10-3, Midori-cho, Tachikawa, Tokyo 190-8518, Japan.
  • Marrocchesi PS; Faculty of Engineering, Division of Intelligent Systems Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya, Yokohama 240-8501, Japan.
  • Messineo AM; Faculty of Science, Shinshu University, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan.
  • Mitchell JW; Hakubi Center, Kyoto University, Yoshida Honmachi, Sakyo-ku, Kyoto 606-8501, Japan.
  • Miyake S; Department of Astronomy, Graduate School of Science, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan.
  • Moiseev AA; Department of Physics and Astronomy, Louisiana State University, 202 Nicholson Hall, Baton Rouge, Louisiana 70803, USA.
  • Mori M; Waseda Research Institute for Science and Engineering, Waseda University, 17 Kikuicho, Shinjuku, Tokyo 162-0044, Japan.
  • Mori N; JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan.
  • Motz HM; Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan.
  • Munakata K; Department of Physics and McDonnell Center for the Space Sciences, Washington University, One Brookings Drive, St. Louis, Missouri 63130-4899, USA.
  • Nakahira S; Center for Space Sciences and Technology, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA.
  • Nishimura J; Astroparticle Physics Laboratory, NASA/GSFC, Greenbelt, Maryland 20771, USA.
Phys Rev Lett ; 126(24): 241101, 2021 Jun 18.
Article em En | MEDLINE | ID: mdl-34213922
ABSTRACT
The Calorimetric Electron Telescope (CALET), in operation on the International Space Station since 2015, collected a large sample of cosmic-ray iron over a wide energy interval. In this Letter a measurement of the iron spectrum is presented in the range of kinetic energy per nucleon from 10 GeV/n to 2.0 TeV/n allowing the inclusion of iron in the list of elements studied with unprecedented precision by space-borne instruments. The measurement is based on observations carried out from January 2016 to May 2020. The CALET instrument can identify individual nuclear species via a measurement of their electric charge with a dynamic range extending far beyond iron (up to atomic number Z=40). The energy is measured by a homogeneous calorimeter with a total equivalent thickness of 1.2 proton interaction lengths preceded by a thin (3 radiation lengths) imaging section providing tracking and energy sampling. The analysis of the data and the detailed assessment of systematic uncertainties are described and results are compared with the findings of previous experiments. The observed differential spectrum is consistent within the errors with previous experiments. In the region from 50 GeV/n to 2 TeV/n our present data are compatible with a single power law with spectral index -2.60±0.03.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Prognostic_studies Idioma: En Revista: Phys Rev Lett Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Itália
Texto completo
Adicionar na Minha BVS
Imprimir
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Prognostic_studies Idioma: En Revista: Phys Rev Lett Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Itália