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High time resolution, two-dimensional position sensitive MSMGRPC for high energy physics experiments

Two Multi-Strip Multi-Gap Resistive Plate Counters (MSMGRPCs) designed to cope with the high counting rates and track densities of the most challenging zone of the CBM-TOF wall were successfully tested in-beam in the mCBM experimental setup installed at SIS18/GSI Darmstadt facility (FAIR Phase-0). A...

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Main Authors: Petriş, Mariana (Author) , Aprodu, V. (Author) , Bartoş, D. (Author) , Caragheorgheopol, A. (Author) , Dorobanţu, D. (Author) , Petrovici, M. (Author) , Prodan, L. (Author) , Radu, A. (Author) , Frühauf, J. (Author) , Deppner, Ingo Martin (Author) , Herrmann, Norbert (Author)
Format: Article (Journal)
Language:English
Published: 2023
In: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment
Year: 2023, Volume: 1045, Pages: 1-4
ISSN:1872-9576
DOI:10.1016/j.nima.2022.167621
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.nima.2022.167621
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0168900222009135
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Author Notes:M. Petriş, V. Aprodu, D. Bartoş, A. Caragheorgheopol, D. Dorobanţu, M. Petrovici, L. Prodan, A. Radu, J. Frühauf, I. Deppner, N. Herrmann
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Summary:Two Multi-Strip Multi-Gap Resistive Plate Counters (MSMGRPCs) designed to cope with the high counting rates and track densities of the most challenging zone of the CBM-TOF wall were successfully tested in-beam in the mCBM experimental setup installed at SIS18/GSI Darmstadt facility (FAIR Phase-0). At low counting rate a 96% efficiency plateau and 45 ps time resolution were obtained. The high counting rate test showed ∼50 ps time resolution and an efficiency ≥90% at the maximum delivered counting rate of 30 kHz/cm2. For the mitigation of the gas pollution aging effects, a new detector architecture with a direct gas flow through the gas gaps is proposed. The assembled prototype was tested in-beam in the mCBM setup, obtaining similar performances with the ones obtained for the prototypes with gas exchange via diffusion.
Item Description:Online verfügbar 22 October 2022, Artikelversion 8 November 2022
Gesehen am 20.01.2023
Physical Description:Online Resource
ISSN:1872-9576
DOI:10.1016/j.nima.2022.167621

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