Identification of gamma-rays sources with the AMS-02 electromagnetic calorimeter

被引：0
|
作者：
Guerri, I. [1 ]
机构：
[1] Univ Pisa, Sez Pisa, Ist Nazl Fis Nucl, Pisa, Italy
来源：
NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS | 2016年 / 39卷 / 01期
关键词：
D O I：
10.1393/ncc/i2016-16246-5
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The Alpha Magnetic Spectrometer AMS-02 is a particle physics experiment designed to operate for a long time in space. It was installed on the International Space Station ISS in May 2011 and its purpose is to obtain accurate and high-statistics measurements of cosmic rays spectra and composition up to TeV energies, searching for primordial Anti-Matter and probing the nature of Dark Matter. AMS-02 is mainly conceived as a charged-particle detector, but the unique features of its electromagnetic calorimeter also allow the identification of.-rays. ECAL has an excellent energy resolution and a high granularity that makes possible the reconstruction of the direction of the incoming particle with an unprecedent angular resolution for a calorimeter. In this paper the AMS-02 gamma sky obtained with the first 3 years of data and the highest energy detected photon are presented.
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