In-beam aerogel light yield characterization for the AMS RICH detector

被引：39

作者：

Aguilar-Benitez, M. ^{[2
]}

Arruda, L. ^{[1
]}

Barao, F. ^{[1
]}

Barreira, G. ^{[1
]}

Barrau, A. ^{[3
]}

Baret, B. ^{[3
]}

Berdugo, J. ^{[2
]}

Buenerd, M. ^{[3
]}

Casaus, J. ^{[2
]}

Cernuda, I. ^{[2
]}

Crespo, D. ^{[2
]}

de la Guia, C. ^{[2
]}

Delgado, C. ^{[2
]}

Diaz, C. ^{[2
]}

Derome, L. ^{[3
]}

Giovacchini, F. ^{[2
]}

Goncalves, P. ^{[1
]}

Keating, A. ^{[1
]}

Laurenti, G. ^{[4
,5
]}

Malinine, A. ^{[6
]}

Mana, C. ^{[2
]}

Marin, J. ^{[2
]}

Martinez, G. ^{[2
]}

Menchaca-Rocha, A. ^{[7
]}

Pereira, R. ^{[1
]}

Pimenta, M. ^{[1
]}

Seo, E. -S. ^{[6
]}

Vargas-Trevino, M. ^{[3
]}

机构：

[1] LIP, P-1000 Lisbon, Portugal

[2] CIEMAT, E-28040 Madrid, Spain

[3] CNRS, LPSC, IN2P3, F-38026 Grenoble, France

[4] Univ Bologna, I-40126 Bologna, Italy

[5] INFN, I-40126 Bologna, Italy

[6] Univ Maryland, College Pk, MD 20742 USA

[7] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2010年 / 614卷 / 02期

关键词：

AMS; RICH; Space instrumentation; Cherenkov imaging; Charged particle detectors; Aerogel; Aerogel light yield; MAGNETIC SPECTROMETER AMS;

D O I：

10.1016/j.nima.2009.12.027

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The ring imaging Cherenkov (RICH) detector of the AMS-02 spectrometer provides a very precise measurement of the electric charge and velocity. The RICH detector is composed of a conical reflector ended on top by a dual radiator plane made of sodium fluoride and aerogel, and at the bottom by a detector plane made of pixelized photomultipliers. The vast majority of the events (similar to 90%) that are collected in the RICH cross the aerogel radiator. Therefore, the choice and characterization of the aerogel radiator is essential for reaching the design goals. A prototype of the RICH detector was built for both concept proof and testing of the different elements. Beam tests with the RICH prototype and using several aerogel radiator samples were performed at CERN in 2002 and 2003. This note summarizes the method used and the results obtained for the light yield of different aerogel samples. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：237 / 249

页数：13

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