The ALICE HMPID detector ready for collisions at the LHC

被引：8
作者：
Molnar, Levente [1 ,2 ]
机构：
[1] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
[2] Hungarian Acad Sci, Res Inst Particle & Nucl Phys, H-1051 Budapest, Hungary
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2008年 / 595卷 / 01期
关键词：
HMPID; ALICE; RICH; CsI photocathode;
D O I：
10.1016/j.nima.2008.07.088
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
ALICE has been specifically optimized to study heavy-ion collisions at the LHC, up to a charged particle density of 8000 per unit of rapidity in central heavy-ion collisions at root S-NN = 5.5 TeV. The High Momentum Particle Identification Detector (HMPID) has a proximity focusing geometry with a liquid C6F14 Cherenkov radiator coupled to Multi-Wire Pad Chambers (MWPC) equipped with CsI photocathodes, over a total active area of 11 m(2). It has been designed to identify charged pions and kaons in the range 1 <= p <= 3 Gev/c and protons in the range 2 <= p <= 5 Gev/c. The as-built detector and all relevant subsystems (gas, liquid C6F14, Cooling and control) are described. Installation issues and first commissioning results are also presented. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：27 / 30
页数：4
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