Thin scintillating tiles with high light yield for the OPAL endcaps

被引：36

作者：

Aguillion, G

Anderson, B

Attree, DJ

Ball, AH

Bard, R

Bentvelsen, S

Betts, ST

Boutemeur, M

Caron, B

Charalambous, A

Chatelain, JP

Colmer, J

Courarie, P

Cresswell, M

Davis, R

Dumper, J

Faust, A

Fong, D

Fraser, TJ

Garza, M

Gingrich, DM

Gollay, R

Guillot, M

Holm, L

Horvath, D

Jacob, F

Kayal, PI

Lautenschlager, S

Macpherson, AL

Martin, JP

McDonald, WJ ^{[1
]}

Miller, DJ

Miller, W

Mullin, S

Pasztor, G

Pinfold, JL

del Pozo, L

Przysiezniak, H

Renoux, A

Rodning, NL

Rozen, Y

Schaffer, L

Schieck, J

Selby, C

Smith, K

Springer, W

Strumia, F

di Vincenzo, S

Wampler, L

Wells, PS

机构：

[1] Univ Alberta, Dept Phys, Ctr Subatom Res, Edmonton, AB T6G 2N5, Canada

[2] CERN, CH-1211 Geneva 23, Switzerland

[3] Univ London Univ Coll, Dept Phys, London WC1E 6BT, England

[4] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[5] Univ Montreal, Phys Nucl Lab, Montreal, PQ H3C 3J7, Canada

[6] Res Inst Particle & Nucl Phys, H-1525 Budapest, Hungary

[7] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[8] Duke Univ, Dept Phys, Durham, NC 27708 USA

[9] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany

[10] Brunel Univ, Uxbridge UB8 3PH, Middx, England

[11] Univ Bologna, Dipartmento Fis, I-40127 Bologna, Italy

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1998年 / 417卷 / 2-3期

基金：

加拿大自然科学与工程研究理事会; 美国国家科学基金会;

关键词：

scintillator; tile; fibre; OPAL;

D O I：

10.1016/S0168-9002(98)00774-8

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Arrays of thin scintillating tiles with embedded wavelength shifting fibre readout have been installed in the OPAL endcaps to improve trigger performance, time resolution and hermeticity for experiments at LEP II. The arrays were required to have high single-particle detection efficiency, uniform response, low noise and good time resolution. Limited space for the detector, and a strong magnetic field in the endcap region, resulted in a need for high light output per unit thickness of scintillator, and remote readout. In addition, because of limited space for readout cables, a high light yield per embedded fibre was required. This paper describes the design and construction of a tile array that satisfies these requirements. A light yield of 14 photoelectrons per minimum ionizing particle and a time resolution of 3 ns were obtained during 1997 LEP operation. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：266 / 277

页数：12

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