The time-of-flight detector of the DIRAC experiment

被引：8

作者：

Adeva, B ^{[1
]}

Gallas, MV ^{[1
]}

Gómez, F ^{[1
]}

López-Agüera, A ^{[1
]}

Núñez-Pardo, T ^{[1
]}

Pló, M ^{[1
]}

Rodríguez, AM ^{[1
]}

Rodríguez, XM ^{[1
]}

Saborido, JJ ^{[1
]}

Santamarina, C ^{[1
]}

Tobar, MJ ^{[1
]}

Vázquez, P ^{[1
]}

机构：

[1] Univ Santiago de Compostela, Dept Fis Particulas, Santiago 15782, Spain

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2002年 / 491卷 / 1-2期

关键词：

DIRAC; time of flight; plastic scintillator; particle identification;

D O I：

10.1016/S0168-9002(02)01121-X

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The construction and performance of a large area time-of-flight detector for the DIRAC experiment at CERN is reported. With an average time resolution of 123 ps per counter at rates up to I MHz, it allows excellent separation of ppi(-) from pi(+)pi(-) pairs up to 4.6 GeV/c momentum, as well as of Coulomb-correlated pion pairs from accidentals. The optimization of scintillator material, photomultiplier performance and readout electronics is described. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：41 / 53

页数：13

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