The forward time projection chamber in STAR

被引:64
作者
Ackermann, KH
Bieser, F
Brady, FP
Cebra, D
Draper, JE
Eckardt, V [1 ]
Eggert, T
Fessler, H
Foley, KJ
Ghazikhanian, V
Hallman, TJ
Heffner, M
Hümmler, H
Klay, J
Klein, SR
Lebedev, A
LeVine, MJ
Ljubicic, T
Lo Curto, G
Longacre, RS
Oldenburg, M
Ritter, HG
Romero, JL
Schmitz, N
Schüttauf, A
Seyboth, J
Seyboth, P
Vidal, M
Whitten, C
Yamamoto, E
机构
[1] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[3] Univ Calif Davis, Davis, CA 95616 USA
[4] Brookhaven Natl Lab, Upton, NY 11973 USA
[5] Univ Calif Los Angeles, Los Angeles, CA 90095 USA
关键词
Time Projection Chamber; laser calibration; readout electronics; track reconstruction;
D O I
10.1016/S0168-9002(02)01968-X
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Two cylindrical forward TPC detectors are described which were constructed to extend the phase space coverage of the STAR experiment to the region 2.5 < \eta\ < 4.0. For optimal use of the available space and in order to cope with the high track density of central Au+Au collisions at RHIC, a novel design was developed using radial drift in a low diffusion gas. From prototype measurements a 2-track resolution of 1-2 mm is expected. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:713 / 719
页数:7
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