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Detection of antihydrogen annihilations with a cryogenic pure-CsI crystal detector


Regenfus, C; Amsler, C; Glauser, A; Grogler, D; Lindelof, D; Pruys, H (2003). Detection of antihydrogen annihilations with a cryogenic pure-CsI crystal detector. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 504(1-3):343-346.

Abstract

In the framework of the ATHENA experiment a combined tracking and photon detector, operating close to liquid
nitrogen temperatures, was developed to determine simultaneously the vertex of an antiproton annihilation and energy
and direction of photons stemming from a positron annihilation. The photon detector consists of 192 pure-CsI
scintillation crystals (=4 cm3) coupled to 5 x 5 mm2 avalanche photo-diodes, which are read by electronic chips
realised in VLSI CMOS technology. These read out chips are also operational at liquid nitrogen temperature and
feature a self-triggering capability.

Abstract

In the framework of the ATHENA experiment a combined tracking and photon detector, operating close to liquid
nitrogen temperatures, was developed to determine simultaneously the vertex of an antiproton annihilation and energy
and direction of photons stemming from a positron annihilation. The photon detector consists of 192 pure-CsI
scintillation crystals (=4 cm3) coupled to 5 x 5 mm2 avalanche photo-diodes, which are read by electronic chips
realised in VLSI CMOS technology. These read out chips are also operational at liquid nitrogen temperature and
feature a self-triggering capability.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Date:2003
Deposited On:04 Nov 2011 13:21
Last Modified:19 Feb 2018 21:18
Publisher:Elsevier
ISSN:0168-9002
OA Status:Closed
Publisher DOI:https://doi.org/10.1016/S0168-9002(03)00766-6

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