Abstract
An MRPC prototype for the future CBM-TOF inner area has been developed. The counter assembled with low resistive glass consists of 10×0.22 mm gas gaps and 2×8 readout pads. The size of each pad is 20 mm×20 mm with an interval of 2 mm between pads. The signals of the counter are collected by 4 eight-pin connectors. Preliminary tests performed with cosmic-rays showed an efficiency over 98% and a time resolution around 60 ps. The measured crosstalk, dark current and dark rate were at a very low levels. Results under uniform irradiation performed at JINR with high energy deuteron showed a time resolution of 40–50 ps and over 98% efficiency at a low flux rate, meanwhile at a flux up to 70 kHz/cm2, 93% efficiency and 77 ps time resolution still remained. These excellent performances call fully meet the demand of CBM-TOF inner wall.
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References
Santonico R, Cardarelli R. Development of resistive plate counters. Nucl Instr Meth A, 1981, 187: 377–380
Akindinov A, Alici F, Anselmo P, et al. Latest results on the performance of the multi-gap resistive plate chamber used for the ALICE TOF. Nucl Instr Meth A, 2004, 533: 74–78
Wang Y, Wang J B, Cheng J P, et al. Production and quality control of STAR-TOF MRPC. Nucl Instr Meth A, 2010, 613: 200–206
Schüttauf A. Timing RPCs in FOPI. Nucl Instr Meth A, 2004, 533: 65–68
Alvarez Pol H, Alves R, Blanco A, et al. A large area timing RPC prototype for ion collisions in the HADES spectrometer. Nucl Instr Meth A, 2004, 533: 277–282
Deppner I, Herrmann N. A Multistrip-MRPC prototype for the CBM Time-of-Flight wall. PoS, 2012, 1: 16–22
Deppner I, Herrmann N, Gonzalez-Diaz D, et al. The CBM Time-of-flight wall. Nucl Instr Meth A, 2012, 661: 121–124
Wang J B, Wang Y, Gonzalez-Diaz D, et al. Development of high-rate MRPCs for high resolution time-of-flight system. Nucl Instr Meth A, 2013, 713: 40–51
Ciobanu M, Schuttauf A, Cordier E, et al. A Front-end electronics card comprising a high gain/high bandwidth amplifier and a fast discriminator for time-of-flight measurements. IEEE, 2007, 54: 1201–1206
Ciobanu M, Herrmann N, Hildenbrand K D, et al. PADI, a fast Preamplifier-discriminator for time-of-flight measurements. IEEE, 2008: 2018–2024
Ciobanu M, Herrmann N, Hildenbrand K D, et al. PADI-2,-3 and-4: The second iteration of the fast Preamplifier—Discriminator ASIC for time-of-flight measurements at CBM. IEEE, 2009: 401–406
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Zhu, W., Wang, Y., Feng, S. et al. A real-size MRPC developed for CBM-TOF. Sci. China Technol. Sci. 56, 2821–2826 (2013). https://doi.org/10.1007/s11431-013-5353-8
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DOI: https://doi.org/10.1007/s11431-013-5353-8