The extended OPAL silicon strip microvertex detector

被引:98
作者
Anderson, S
Batley, JR
Beck, GA
Behnke, T
Bobinski, M
Carter, AA
Carter, JR
de Jong, SJ
Dunwoody, UC
Gibson, V
Glessing, W
Goodrick, MJ
Gross, E
Hammarstrom, R
Hanson, GG
Hapke, M
Honma, AK
Jacob, F
Jiminez, M
Jones, CR
Jovanovic, P
Junk, T
Kyberd, P
Lauber, JA
Martin, AJ
McNab, A
Mir, R
Muhlemann, K
Pritchard, TW
Rust, DR
Van Kooten, R
机构
[1] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA
[2] TRIUMF, Vancouver, BC V6T 2A3, Canada
[3] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[4] Univ London Queen Mary & Westfield Coll, Dept Phys, London E1 4NS, England
[5] CERN, European Org Particle Phys, CH-1211 Geneva 23, Switzerland
[6] Univ Freiburg, Fak Phys, D-79104 Freiburg, Germany
[7] Weizmann Inst Sci, Particle Phys Dept, IL-76100 Rehovot, Israel
[8] Univ Victoria, Dept Phys, Victoria, BC V8W 3P6, Canada
[9] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England
[10] Univ Birmingham, Sch Phys & Space Res, Birmingham B15 2TT, W Midlands, England
基金
以色列科学基金会; 加拿大自然科学与工程研究理事会;
关键词
D O I
10.1016/S0168-9002(97)01093-0
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The OPAL experiment at the CERN LEP collider recently increased the geometrical acceptance of its silicon microvertex detector. The azimuthal coverage is improved by adding one pair of detector modules to each of the two layers, while the polar angle coverage is extended by adding new detector modules in line with the existing ones. This improves the efficiency for high quality tracking in OPAL and in particular for b quark tagging in Higgs boson searches. A description of the detector is given, with emphasis on new or modified elements with respect to the earlier version. Results on the performance of the new detector are presented. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:326 / 350
页数:25
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