Beam test of signal cross-talk and transmission for LMPRC

SUN Yong-Jie; LI Cheng; TANG Ze-Bo; XU Lai-Lin; CHEN Tian-Xiang; SHAO Ming

doi:10.1088/1674-1137/35/9/010

Chinese Physics C> 2011, Vol. 35> Issue(9) : 838-843 DOI: 10.1088/1674-1137/35/9/010

Beam test of signal cross-talk and transmission for LMPRC

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A new prototype of large area Multi-gap Resistive Plate Chamber (MRPC) with long readout strips was built. This Long-strip Multi-gap Resistive Plate Chamber (LMRPC) is double stacked and has ten 250 μm-thick gas gaps. Signals are read out from the two ends of each strip with an active area of 50 cm×2.5 cm in each. The detector was tested at FOPI in GSI, using the secondary particles of proton beams (E=3.5 GeV) colliding with a Pb target. The results show that the LMRPC prototype has a time resolution of about 60-70 ps; the detecting efficiency is over 98% and the ratio of cross-talk is lower than 2%. The detector also has a good spatial resolution of 0.36 cm along the strip direction.

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SUN Yong-Jie, LI Cheng, TANG Ze-Bo, XU Lai-Lin, CHEN Tian-Xiang and SHAO Ming. Beam test of signal cross-talk and transmission for LMPRC[J]. Chinese Physics C, 2011, 35(9): 838-843. doi: 10.1088/1674-1137/35/9/010

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Received: 2010-12-08
Revised: 2010-12-31

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沈阳化工大学材料科学与工程学院沈阳 110142

Beam test of signal cross-talk and transmission for LMPRC

Corresponding author: LI Cheng,

Received Date: 2010-12-08
Accepted Date: 2010-12-31
Available Online: 2011-09-05

Abstract: A new prototype of large area Multi-gap Resistive Plate Chamber (MRPC) with long readout strips was built. This Long-strip Multi-gap Resistive Plate Chamber (LMRPC) is double stacked and has ten 250 μm-thick gas gaps. Signals are read out from the two ends of each strip with an active area of 50 cm×2.5 cm in each. The detector was tested at FOPI in GSI, using the secondary particles of proton beams (E=3.5 GeV) colliding with a Pb target. The results show that the LMRPC prototype has a time resolution of about 60-70 ps; the detecting efficiency is over 98% and the ratio of cross-talk is lower than 2%. The detector also has a good spatial resolution of 0.36 cm along the strip direction.