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Article
Report number arXiv:1605.02558
Title Time and position resolution of high granularity, high counting rate MRPC for the inner zone of the CBM-TOF wall
Author(s) Petriş, M. (Bucharest, IFIN-HH) ; Bartoş, D. (Bucharest, IFIN-HH) ; Caragheorgheopol, G. (Bucharest, IFIN-HH) ; Deppner, I. (Heidelberg U.) ; Frühauf, J. (Darmstadt, GSI) ; Herrmann, N. (Heidelberg U.) ; Kiš, M. (Darmstadt, GSI) ; Loizeau, P-A. (Heidelberg U.) ; Petrovici, M. (Bucharest, IFIN-HH) ; Rǎdulescu, L. (Bucharest, IFIN-HH) ; Simion, V. (Bucharest, IFIN-HH) ; Simon, C. (Heidelberg U.)
Publication 2016-09-13
Imprint 09 May 2016
Number of pages 8
Note Comments: 8 pages, 13 figures
8 pages, 13 figures
In: JINST 11 (2016) C09009
In: 13th Workshop on Resistive Plate Chambers and Related Detectors, Ghent, Belgium, 22 - 26 Feb 2016
DOI 10.1088/1748-0221/11/09/C09009
Subject category Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN SPS
CERN SPS
Abstract Multi-gap RPC prototypes with readout on a multi-strip electrode 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 low resistivity ($\sim$10$^{10}$ $\Omega$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 prototype 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.
Copyright/License arXiv nonexclusive-distrib. 1.0



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 Record created 2016-05-10, last modified 2024-11-15


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