The scintillator detector for the fast trigger and time-of-flight (TOF) measurement of the space experiment AMS-02

被引:18
|
作者
Bindi, V. [1 ,2 ]
Casadei, D. [1 ,2 ]
Castellini, G. [3 ]
Cindolo, F. [2 ]
Contin, A. [1 ,2 ]
Giovacchini, F. [1 ,2 ]
Guandalini, C. [2 ]
Laurenti, G. [2 ]
Levi, G. [1 ,2 ]
Lolli, M. [2 ]
Quadrani, L. [1 ,2 ]
Palmonari, F. [1 ,2 ]
Sbarra, C. [1 ,2 ]
Zichichi, A. [1 ,2 ]
机构
[1] Univ Bologna, Dept Phys, I-40127 Bologna, Italy
[2] Ist Nazl Fis Nucl, I-40127 Bologna, Italy
[3] CNR, IROE, I-50125 Florence, Italy
关键词
AMS experiment; Plastic scintillator; Time-of-flight; Cosmic rays;
D O I
10.1016/j.nima.2010.08.019
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The "Time-Of-Flight" (TOF) system of the AMS-02 superconducting spectrometer, to be installed in the ISS International Space Station, consists of four layers of plastic scintillation counters. During the precursor mission AMS-01 (June 1998), a similar system successfully operated in space for 10 days. However, the AMS-02 TOF had to be redesigned taking into account the more stringent mass and power constraints of the AMS-02 detector. The main characteristics of the new TOF system are (a) capability to stand the high fringing field of AMS-02 superconducting magnet; (b) high redundancy of electronic components for unmanned operation of at least three years in the space station; (c) capability to operate in the space environment on the ISS. Counters and electronics have been extensively tested before the installation in the spectrometer. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:968 / 981
页数:14
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