Cherenkov angle and charge reconstruction with the RICH detector of the AMS experiment

被引：7
|
作者：
Barao, F
Arruda, L
Borges, J
Gonçalves, P
Pimenta, M
Perez, I
机构：
[1] LIP, P-1000 Lisbon, Portugal
[2] FCUL, P-1749 Lisbon, Portugal
[3] Univ Tecn Lisboa, Inst Super Tecn, P-1000 Lisbon, Portugal
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2003年 / 502卷 / 01期
关键词：
D O I：
10.1016/S0168-9002(03)00294-8
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The Alpha Magnetic Spectrometer experiment to be installed on the International Space Station will be equipped with a proximity focusing Ring Imaging Cherenkov (RICH) detector, for measurements of particle electric charge and velocity. In this note. two possible methods for reconstructing the Cherenkov angle and the electric charge with the RICH are discussed. A Likelihood method for the Cherenkov angle reconstruction was applied leading to a velocity determination for protons with a resolution of around 0.1% The existence of a large fraction of back-ground photons which can vary from event to event implied a charge reconstruction method based on an overall efficiency estimation on an event-by-event basis. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：310 / 314
页数：5
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