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Performance studies of MRPC prototypes for CBM

Multi-gap Resistive Plate Chambers (MRPCs) [1] with multi-strip readout are considered to be the optimal detector candidate for the Time-of-Flight (ToF) wall in the Compressed Baryonic Matter (CBM) experiment. In the R&D phase MRPCs with different granularities, low-resistive materials and high...

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Main Authors: Deppner, Ingo Martin (Author) , Herrmann, Norbert (Author) , Frühauf, J. (Author) , Kiš, M. (Author) , Lyu, P. (Author) , Loizeau, P.-A. (Author) , Shi, L. (Author) , Simon, Christian (Author) , Wang, Y. (Author) , Xie, B. (Author)
Format: Article (Journal)
Language:English
Published: 13 October 2016
In: Journal of Instrumentation
Year: 2016, Volume: 11, Issue: 10
ISSN:1748-0221
DOI:10.1088/1748-0221/11/10/C10006
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/1748-0221/11/10/C10006
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Author Notes:I. Deppner, N. Herrmann, J. Frühauf, M. Kiš, P. Lyu, P.-A. Loizeau, L. Shi, C. Simon, Y. Wang and B. Xie
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Summary:Multi-gap Resistive Plate Chambers (MRPCs) [1] with multi-strip readout are considered to be the optimal detector candidate for the Time-of-Flight (ToF) wall in the Compressed Baryonic Matter (CBM) experiment. In the R&D phase MRPCs with different granularities, low-resistive materials and high voltage stack configurations were developed and tested. Here, we focus on two prototypes called HD-P2 and THU-strip, both with strips of 27 cm length and low-resistive glass electrodes. The HD-P2 prototype has a single-stack configuration with 8 gaps while the THU-strip prototype is constructed in a double-stack configuration with 2 × 4 gaps. The performance results of these counters in terms of efficiency and time resolution carried out in a test beam time with heavy-ion beam at GSI in 2014 are presented in this proceeding even though the incident particle flux of a few hundred Hz/cm2 does not meet the real CBM conditions (between 1.5 kHz/cm2 and 10 kHz/cm2 for these counters).
Item Description:Gesehen am 07.05.2020
Physical Description:Online Resource
ISSN:1748-0221
DOI:10.1088/1748-0221/11/10/C10006

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