A high time resolution MRPC with spatial resolution

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LI Cheng, SUN Yong-Jie, SHAO Ming and CHEN Hong-Fang. A high time resolution MRPC with spatial resolution[J]. Chinese Physics C, 2006, 30(7): 660-664.
LI Cheng, SUN Yong-Jie, SHAO Ming and CHEN Hong-Fang. A high time resolution MRPC with spatial resolution[J]. Chinese Physics C, 2006, 30(7): 660-664. shu
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Received: 2005-09-27
Revised: 2006-02-15
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A high time resolution MRPC with spatial resolution

    Corresponding author: SUN Yong-Jie,
  • Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China

Abstract: A position-sensitive MRPC prototype with high time resolution was developed. This MRPC has 10×220μm gaps with the active area of 20cm×20cm. A front-end electronics based on NINO ASIC was used. The NINO ASIC can transform the input charge to the width of output signal for the Time-Over-Threshold (TOT) measurement by using High Performance TDC (HPTDC). With the difference of transmit time and distribution of plus amplitude, we can get the two-dimension position information. The beam test result shows a spatial resolution of 4.5mm along the readout pads and 1.6mm perpendicular to the readout pads, espectively. The time resolution is about 63ps and the detection efficiency is over 95%.

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