Design and test of a Multi-gap Resistive Plate Chamber with Long readout-strip (LMRPC)

SUN Yong-Jie; LI Cheng; ZHOU Yi; SHAO Ming; ZHAO Yan-E; CHEN Hong-Fang

doi:10.1088/1674-1137/33/2/009

Chinese Physics C> 2009, Vol. 33> Issue(2) : 119-122 DOI: 10.1088/1674-1137/33/2/009

Design and test of a Multi-gap Resistive Plate Chamber with Long readout-strip (LMRPC)

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Abstract：
A new kind (two end readout) of Multi-gap Resistive Plate Chamber with long readout-strip (LMRPC) is developed to be used at the large-area Muon Telescope Detector (MTD) at mid-rapidity at RHIC/STAR experiment for Time-of-Flight (TOF) measurement. The LMRPC has an active area of 87 cm×17 cm, 10 gas gaps of 250 μm arranged in 2 stacks, with readout strips of 2.5 cm wide and 90 cm long. The considerations in LMRPC design related to its performance are discussed in this paper. The cosmic ray test results of a prototype LMRPC show a detection efficiency >95% and the time resolution ~70 ps.

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SUN Yong-Jie, LI Cheng, ZHOU Yi, SHAO Ming, ZHAO Yan-E and CHEN Hong-Fang. Design and test of a Multi-gap Resistive Plate Chamber with Long readout-strip (LMRPC)[J]. Chinese Physics C, 2009, 33(2): 119-122. doi: 10.1088/1674-1137/33/2/009

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Received: 2008-05-16
Revised: 2008-05-29

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沈阳化工大学材料科学与工程学院沈阳 110142

Design and test of a Multi-gap Resistive Plate Chamber with Long readout-strip (LMRPC)

Corresponding author: LI Cheng,

Received Date: 2008-05-16
Accepted Date: 2008-05-29
Available Online: 2009-02-05

Abstract:

A new kind (two end readout) of Multi-gap Resistive Plate Chamber with long readout-strip (LMRPC) is developed to be used at the large-area Muon Telescope Detector (MTD) at mid-rapidity at RHIC/STAR experiment for Time-of-Flight (TOF) measurement. The LMRPC has an active area of 87 cm×17 cm, 10 gas gaps of 250 μm arranged in 2 stacks, with readout strips of 2.5 cm wide and 90 cm long. The considerations in LMRPC design related to its performance are discussed in this paper. The cosmic ray test results of a prototype LMRPC show a detection efficiency >95% and the time resolution ~70 ps.