CALET Observations during the First 5 Years on the ISS

Marrocchesi P. S.; Adriani O.; Akaike Y.Asaoka Y.Berti E.Bigongiari G.Bongi M.Brogi P.Bruno A.Cannady N.Checchia C.Cherry M. L.Collazuol G.Ficklin A. W.Guzik T. G.Ichimura M.Israel M. H.Kasahara K.Kawakubo Y.Krizmanic J. F.Messineo A. M.Mitchell J. W.Miyake S.Mori M.Mori N.Motz H. M.Munakata K.Pacini L.Palma F.Papini P.Rauch B. F.Ricciarini S. B.Sakamoto T.Sasaki M.Stolzi F.Sulaj A.Tamura T.Torii S.Wefel J. P.Yoshida K.Zober W. VCALET Collaboration

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CALET Observations during the First 5 Years on the ISS

机译：CALET Observations during the First 5 Years on the ISS

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The CALorimetric Electron Telescope CALET is collecting science data on the International Space Station since October 2015 with excellent and continuous performance. Energy is measured with a deep homogeneous calorimeter (1.2 nuclear interaction lengths, 27 radiation lengths) preceded by an imaging pre-shower (3 radiation lengths, 1mm granularity) providing tracking and 10(-5) electron/proton discrimination. Two independent sub-systems identify the charge Z of the incident particle from proton to iron and above (Z <40). CALET measures the cosmic-ray electron + positron flux up to 20 TeV, gamma rays up to 10 TeV, and nuclei up to the PeV scale. In this paper, we report the on-orbit performance of the instrument and summarize the main results obtained during the first 5 years of operation, including the electron + positron energy spectrum and the individual spectra of protons, heavier nuclei and iron. Solar modulation and gamma-ray observations are also concisely reported, as well as transient phenomena and the search for gravitational wave counterparts.

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《Physics of atomic nuclei》 |2021年第6期|985-994|共10页
作者
Marrocchesi P. S.; Adriani O.; Akaike Y.Asaoka Y.Berti E.Bigongiari G.Bongi M.Brogi P.Bruno A.Cannady N.Checchia C.Cherry M. L.Collazuol G.Ficklin A. W.Guzik T. G.Ichimura M.Israel M. H.Kasahara K.Kawakubo Y.Krizmanic J. F.Messineo A. M.Mitchell J. W.Miyake S.Mori M.Mori N.Motz H. M.Munakata K.Pacini L.Palma F.Papini P.Rauch B. F.Ricciarini S. B.Sakamoto T.Sasaki M.Stolzi F.Sulaj A.Tamura T.Torii S.Wefel J. P.Yoshida K.Zober W. VCALET Collaboration;
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作者单位

Louisiana State Univ;

Univ Padua;

Hirosaki UnivWashington UnivShibaura Inst TechnolNASA GSFCIst Nazl Fis NuclIbaraki CollRitsumeikan UnivUniv SienaUniv FlorenceWaseda UnivShinshu UnivUniv Roma Tor VergataAoyama Gakuin UnivKanagawa UnivJapan Aerosp Explorat AgcyNASA;

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正文语种英语
中图分类原子物理学;原子核物理学、高能物理学;
关键词
COSMIC-RAY NUCLEI; CALORIMETRIC ELECTRON TELESCOPE; ENERGY-SPECTRA; PERFORMANCE; CARBON; PAMELA;

CALET Observations during the First 5 Years on the ISS

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