New prototype multi-gap resistive plate chambers with long strips

被引:19
作者
Sun, Y. J. [1 ]
Li, C. [1 ]
Shao, M. [1 ]
Gui, B. [1 ]
Zhao, Y. E. [1 ]
Chen, H. F. [1 ]
Xu, Z. B. [2 ]
Ruan, L. J. [2 ]
Lin, G. J. [3 ]
Wang, X. [4 ]
Wang, Y. [4 ]
Tang, Z. B. [1 ]
Eppley, G. [5 ]
Fachini, P. [2 ]
Kohl, M. [6 ]
Liu, J. [5 ]
Llope, W. J. [5 ]
Majka, R. [3 ]
Nussbaun, T. [5 ]
Ramberg, E. [8 ]
Sakuma, T. [6 ]
Simon, F. [9 ]
Smirnov, N. [3 ]
Surrow, B. [6 ]
Underwood, D. [7 ]
机构
[1] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China
[2] Brookhaven Natl Lab, Upton, NY 11973 USA
[3] Yale Univ, New Haven, CT 06520 USA
[4] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
[5] Rice Univ, Houston, TX 77251 USA
[6] MIT, Cambridge, MA 02139 USA
[7] Argonne Natl Lab, Argonne, IL 60439 USA
[8] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[9] Max Planck Inst Phys & Excellence Cluster Univers, Munich, Germany
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
Multi-gap resistive plate chambers; Time-of-flight; time resolution; Muon telescope detector;
D O I
10.1016/j.nima.2008.05.042
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A new kind of Multi-gap Resistive Plate Chamber (MRPC) has been built for the large-area Muon Telescope Detector (MTD) for the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). These long read-out strip Multi-gap Resistive Plate Chambers (LMRPCs) have an active area of 87.0 x 17.0 cm(2) and ten 250 pm-thick gas gaps arranged as a double stack. Each read-out strip is 2.5 cm wide and 90 cm long. The signals are read-out at both ends of each strip. Cosmic ray tests indicate a time resolution of similar to 70ps and a detection efficiency of greater than 95%. Beam tests performed at T963 at Fermilab indicate a time resolution of 60-70ps and a spatial resolution of similar to 1 cm along the strip direction. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:307 / 313
页数:7
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