The ring imaging Cherenkov detectors of the LHCb experiment

被引：1

作者：

Muheim, F. ^{[1
]}

机构：

[1] Univ Edinburgh, Sch Phys & Astron, Edinburgh EH9 3JZ, Midlothian, Scotland

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2011年 / 639卷 / 01期

关键词：

Ring imaging Cherenkov detectors; Hybrid photo detectors; Silicon sensors; LHCb experiment;

D O I：

10.1016/j.nima.2010.09.158

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Particle identification is one of the key requirements of the LHCb experiment. The ability to distinguish between pions, kaons and protons in a variety of final states is essential for the study of CP violation and rare decays of B hadrons. The particle identification system is composed of two RICH detectors, covering the full angular acceptance of the spectrometer and designed to give particle identification for the momentum range of 1 up to 100 GeV/c. The two RICH detectors are based on gaseous (C4F10 and CF4) and aerogel radiators and an optical system of spherical and flat mirrors which focuses the Cherenkov photons onto the photon detectors planes. These are equipped with a total of 484 Hybrid Photon Detectors (HPDs). The silicon pixel detector of each HPD is read out to give a resolution on the photocathode of 2.5 x 2.5 mm(2). First experience and results from RICH commissioning and operation at the LHC will be discussed. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：11 / 14

页数：4

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