Study on MRPC-TOF Timing Properties and Calibration Methods
- Received Date: 2006-09-21
- Accepted Date: 2006-10-21
- Available Online: 2007-06-05
Abstract: A prototype Time-of-Flight (TOF) detector, consisting of 28 Multi-gap Resistive Plate Chambers (MRPC), has been successfully operated at RHIC-STAR experiment since 2003. Extensive study on the calibration procedure of the MRPC-TOF is performed in order to better understand MRPC's performance. Improvements and extension on current calibration method are discussed. Furthermore, it has been found that the position resolution of the reconstruction system at STAR has significant impact on the MRPC time resolution. After subtracting this effect, the intrinsic time resolution of MRPC is found to be about 60ps, which is in good agreement to beam test results.





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