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Time and position resolution of high granularity, high counting rate MRPC for the inner zone of the CBM-TOF wall

Multi-gap RPC prototypes with a multi-strip-electrode readout were developed for the small polar angle region of the CBM-TOF subdetector, the most demanding zone in terms of granularity and counting rate. The prototypes are based on using low resistivity (∼ 1010 Ω·cm) glass electrodes for performing...

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Main Authors: Petriş, Mariana (Author) , Bartoş, D. (Author) , Caragheorgheopol, G. (Author) , Deppner, Ingo Martin (Author) , Frühauf, J. (Author) , Herrmann, Norbert (Author) , Kiš, M. (Author) , Loizeau, P.-A. (Author) , Petrovici, M. (Author) , Rădulescu, L. (Author) , Simion, V. (Author) , Simon, Christian (Author)
Format: Article (Journal) Conference Paper
Language:English
Published: 13 September 2016
In: Journal of Instrumentation
Year: 2016, Volume: 11, Issue: 09
ISSN:1748-0221
DOI:10.1088/1748-0221/11/09/C09009
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/1748-0221/11/09/C09009
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Author Notes:M. Petriş, D. Bartoş, G. Caragheorgheopol, I. Deppner, J. Frühauf, N. Herrmann, M. Kiš, P.-A. Loizeau, M. Petrovici, L. Rădulescu, V. Simion and C. Simon ; 13th Workshop on Resistive Plate Chambers and Related Detectors (RPC2016)
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Summary:Multi-gap RPC prototypes with a multi-strip-electrode readout were developed for the small polar angle region of the CBM-TOF subdetector, the most demanding zone in terms of granularity and counting rate. The prototypes are based on using low resistivity (∼ 1010 Ω·cm) glass electrodes for performing in high counting rate environment. The strip width/pitch size was chosen such to fulfill the impedance matching with the front-end electronics and the granularity requirements of the innermost zone of the CBM-TOF wall. The in-beam tests using secondary particles produced in heavy ion collisions on a Pb target at SIS18—GSI Darmstadt and SPS—CERN were focused on the performance of the prototypes in conditions similar to the ones expected at SIS100/FAIR. An efficiency larger than 98% and a system time resolution in the order of 70-80 ps were obtained in high counting rate and high multiplicity environment.
Item Description:Published 13 September 2016
Gesehen am 13.10.2020
Physical Description:Online Resource
ISSN:1748-0221
DOI:10.1088/1748-0221/11/09/C09009

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