CALET on the ISS: a high energy astroparticle physics experiment

被引：6

作者：

Marrocchesi, Pier Simone ^{[1
]}

机构：

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

来源：

XIV INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2015), PTS 1-7 | 2016年 / 718卷

关键词：

COSMIC-RAY PROTON; PAMELA;

D O I：

10.1088/1742-6596/718/5/052023

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

CALET is a space mission of the Japanese Aerospace Agency (JAXA) in collaboration with the Italian Space Agency (ASI) and NASA. The CALET instrument (CALorimetric Electron Telescope) is planned for a long exposure on the JEM-EF, an external platform of the Japanese Experiment Module KIBO, aboard the International Space Station (ISS). The main science objectives include high precision measurements of the inclusive electron (+positron) spectrum below 1 TeV and the exploration of the energy region above 1 TeV, where the shape of the high end of the spectrum might reveal the presence of nearby sources of acceleration. With an excellent energy resolution and low background contamination CALET will search for possible spectral signatures of dark matter with both electrons and gamma rays. It will also measure the high energy spectra and relative abundance of cosmic nuclei from proton to iron and detect trans-iron elements up to Z similar to 40. With a large exposure and high energy resolution, CALET will be able to verify and complement the observations of CREAM, PAMELA and AMS-02 on a possible deviation from a pure power-law of proton and He spectra in the region of a few hundred GeV and to extend the study to the multi-TeV region. CALET will also contributeto clar ifythepresentexperimenta lpicture ontheenergy dependence oftheboron/carbonratio,belowandabove1TeV/n,thereby providing valuable informationon cosmic-raypropaga tioninthegalaxy.Gamma-raytransientswillbestudied with adedicated Gamma-rayBurstMonitor(GBM).

引用

页数：5

共 21 条

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