Time of Flight resolution of the prototype of the electromagnetic calorimeter PHOS

被引：5

作者：

Bogolyubsky, M. ^{[2
]}

Ippolitov, M. ^{[3
]}

Kuryakin, A. ^{[4
]}

Manko, V. ^{[3
]}

Muller, H. ^{[5
]}

Nomokonov, P. ^{[1
]}

Punin, V. ^{[4
]}

Rohrich, D. ^{[6
]}

Sadovsky, S. ^{[2
]}

Sibiriak, I. ^{[3
]}

Skaali, B. ^{[7
]}

Sugitate, T. ^{[8
]}

Vasil'ev, A. ^{[3
]}

Vinogradov, A. ^{[3
]}

Vodopianov, A. ^{[1
]}

Zhou, D.

机构：

[1] Joint Inst Nucl Res, Dubna, Russia

[2] Inst High Energy Phys, Protvino, Russia

[3] Russian Res Ctr, Kurchatov Inst, Moscow, Russia

[4] Russian Fed Nucl Ctr, VNIIEF, Sarov, Russia

[5] CERN, Geneva, Switzerland

[6] Univ Bergen, Dept Phys, N-5020 Bergen, Norway

[7] Univ Oslo, Dept Phys, N-0316 Oslo, Norway

[8] Hiroshima Univ, Higashihiroshima 724, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2009年 / 598卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Calorimetry; Lead tungstate crystals; Time resolution;

D O I：

10.1016/j.nima.2008.10.003

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The Time of Flight (TOF) resolution of one of the LHC ALICE detectors, a prototype of the electromagnetic calorimeter PHOS (PHOton Spectrometer), was measured in beam tests carried out at CERN PS. The prototype of the calorimeter consists of 256 (22 x 22 x 180 mm(3)) cells of light-detecting PbWO4 (PWO) monocrystals read out with 5 x 5 mm(2) Avalanche Photo Diodes (APDs). Three dedicated front end cards with 24 channels of electronics were designed and produced for using in the tests, each channel consisting of one fast and two slow shapers, a time to amplitude converter and three identical 12-bit peak sensitive Analog to Digital Converters (ADCs). The high voltage bias regulator for APD is located on the same card. The measured TOF resolution is described as sigma(t) = 0.24/E-GeV(2) + 0.4 ns. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：702 / 709

页数：8

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