The time of flight detector for the ALICE experiment

被引：13
|
作者：
Hatzifotiadou, D [1 ]
机构：
[1] CERN, Div EP, CH-1211 Geneva 23, Switzerland
[2] Ist Nazl Fis Nucl, I-40126 Bologna, Italy
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：
resistive plate chambers; ALICE; particle identification; time of flight; MR-PC;
D O I：
10.1016/S0168-9002(02)02167-8
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
For the identification of particles in the momentum range 0.5 to 2.5 GeV/c the ALICE experiment uses a time of flight array. The detectors used are Multigap Resistive Plate Chambers (MRPC) with 50 ps time resolution. The whole array covers a similar to 150 m(2) area and consists of detector elements in the form of MRPC strips. To cope with the high multiplicity expected for heavy ion collisions, the TOF array is segmented; pickup pads of 2.5 x 3.5 cm(2) are used. Thus the whole system will have 160000 read-out channels. Here we present results of the R&D program of the last 3 years, which led to the design of the final TOF system for ALICE. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：123 / 126
页数：4
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