Operation of the AMS-02 TRD in Space

被引：3
|
作者：
Spada, Francesca R. [1 ]
机构：
[1] Ist Nazl Fis Nucl, Rome, Italy
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2013年 / 718卷
关键词：
Dark matter; Cosmic rays; Transition radiation; Detector operation in Space;
D O I：
10.1016/j.nima.2012.10.049
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The AMS-02 detector was installed on May 2011 on the International Space Station and has since collected billions of cosmic ray events. AMS will measure with unprecedent precision cosmic ray spectra up to the TeV energy scale, achieving a sensitivity to the presence of anti-nuclei of one part in a billion, as well as providing important information on the origin of dark matter. A Transition Radiation Detector (TRD), filled with a Xe/CO2 mixture, is used to reach the sensitivity to positron identification needed for the detection of a neutralino dark matter candidate. The control of a gaseous detector in Space is a challenging task. The operational procedures, and the performances achieved, will be described. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：440 / 442
页数：3
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