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A multi-strip multi-gap RPC barrel for time-of-flight measurements

The FOPI detector [1] at the heavy-ion synchrotron SIS-18 at GSI in Darmstadt has upgraded part of its time-of-flight (ToF) system by adding a new sub-detector shell (called the MMRPC Barrel) that is made out of Multi-strip Multi-gap Resistive-Plate Counters (MMRPCs). The MMRPC Barrel has an active...

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Main Authors: Kiš, Mladen (Author) , Ciobanu, Mircea (Author) , Deppner, Ingo Martin (Author) , Hildenbrand, K. D. (Author) , Herrmann, Norbert (Author) , Kang, T. I. (Author) , Kim, Y. J. (Author) , Koczon, P. (Author) , Leifels, Y. (Author) , Marquardt, M. (Author) , Petrovici, M. (Author) , Piasecki, Krzysztof (Author) , Ryu, M. S. (Author) , Schüttauf, A. (Author) , Simion, V. (Author) , Weinert, J. (Author) , Zhang, X. (Author)
Format: Article (Journal)
Language:English
Published: 3 March 2011
In: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment
Year: 2011, Volume: 646, Issue: 1, Pages: 27-34
ISSN:1872-9576
DOI:10.1016/j.nima.2011.02.076
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.nima.2011.02.076
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0168900211004554
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Author Notes:M. Kiš, M. Ciobanu, I. Deppner, K.D. Hildenbrand, N. Herrmann, T.I. Kang, Y.J. Kim, P. Koczon, Y. Leifels, M. Marquardt, M. Petrovici, K. Piasecki, M.S. Ryu, A. Schüttauf, V. Simion, J. Weinert, X. Zhang
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Summary:The FOPI detector [1] at the heavy-ion synchrotron SIS-18 at GSI in Darmstadt has upgraded part of its time-of-flight (ToF) system by adding a new sub-detector shell (called the MMRPC Barrel) that is made out of Multi-strip Multi-gap Resistive-Plate Counters (MMRPCs). The MMRPC Barrel has an active area of 5m2 covered by 2400 individual anode strips [2], [3] which are read out at both ends by custom-designed electronics [4], [5]. With these multi-strip anodes we have obtained an enhanced detector granularity with 95% efficiency and a ToF resolution σToF better than 90ps which increases the identification limit for charged kaons up to laboratory momenta of at least 1GeV/c. In this paper we report on the design, construction and operational characteristics of the MMRPC Barrel and describe its performance during the first experiments.
Item Description:Gesehen am 04.08.2022
Physical Description:Online Resource
ISSN:1872-9576
DOI:10.1016/j.nima.2011.02.076

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