Measurement of the iron spectrum with CALET on the International Space Station

被引：0

作者：

Stolzi, Francesco ^{[1
,2
]}

Checchia, Caterina ^{[1
]}

Akaike, Yosui ^{[3
,4
]}

机构：

[1] Univ Siena, Dept Phys Sci Earth & Environm, Via Roma 56, I-53100 Siena, Italy

[2] INFN, Sez Pisa, Largo B Pontecorvo 3, I-56127 Pisa, Italy

[3] Waseda Univ, Waseda Res Inst Sci & Engn, 17 Kikuicho,Shinjuku, Tokyo 1620044, Japan

[4] Japan Aerosp Explorat Agcy, Human Spaceflight Technol Directorat, JEM Utilizat Ctr, 2-1-1 Sengen,Tsukuba, Tsukuba, Ibaraki 3058505, Japan

来源：

37TH INTERNATIONAL COSMIC RAY CONFERENCE, ICRC2021 | 2022年

关键词：

COSMIC-RAY NUCLEI; ELECTRON TELESCOPE CALET; ENERGY-SPECTRA;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Calorimetric Electron Telescope (CALET), in operation on the International Space Station since 2015, has collected a large sample of cosmic-ray charged particles and gamma-rays over a wide energy interval. The instrument consists of two layers of segmented plastic scintillators to identify the charge of individual elements from proton to iron (and above), a thin imaging tungsten scintillating fiber calorimeter providing accurate particle tracking, and a lead-tungstate homogeneous calorimeter to measure energy. One of the scientific objectives of CALET is the direct measurement of the energy spectra of cosmic nuclei conveying important information on their acceleration and propagation in the Galaxy. Based on the first five years of CALET observation, CALET has measured the iron spectrum in the range of kinetic energy per nucleon from 10 GeV/n to 2.0 TeV/n. We present the CALET iron results, describe the analysis of the data and the detailed assessment of systematic uncertainties, and compare the CALET results with the findings of previous experiments.

引用

页数：9

共 50 条

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