A solution for the inner area of CBM-TOF with pad-MRPC

作者：Wang, Y.; Huang, X. J.^*; Lyu, P. F.; Han, D.; Xie, B.; Li, Y. J.; Herrmann, N.; Deppner, I.; Loizeau, P.; Simon, C.; Fruehauf, J.; Kis, M.

来源：Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment , 2017, 845: 318-321.

DOI：10.1016/j.nima.2016.06.133

• CBM-TOF
• Pad-MRPC
• Beam test
• High rate
• Timing resolution

The Compressed Baryonic Matter (CBM) experiment has decided to use the Multi-gap Resistive Plate Chambers(MRPC) technology to build its Time-Of-Flight (TOF) wall. CBM-TOF requires a rate capability over 20 kHz/cm(2) for inner region. A 10-gap pad-MRPC assembled with low resistive glass is designed to construct this area. The prototypes, which consist of 10 x 0.22 mm gas gaps and 2 x 8 20 mm x 20 mm readout pads, require fewer electronic channels compared to the strip design. A timing resolution of around 60 ps and an efficiency above 98% were obtained in a cosmic test and a beam test taken in 2014 October GSI beam time. The results show that the real-size prototypes fulfill the requirements of the CBM-TOF.

• 出版日期2017-2-11
• 单位清华大学