A glass type multistrip-MRPC prototype for the low rate region of the CBM time-of-flight wall

The Compressed Baryonic Matter spectrometer (CBM) is expected to be operational in the year 2018 at the Facility for Anti-proton and Ion Research (FAIR) in Darmstadt, Germany. The key element providing hadron identification at incident energies between 2 and 10 AGeV is a Time-of-Flight (ToF) wall cov...

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Bibliographic Details
Main Authors: Deppner, Ingo Martin (Author) , Herrmann, Norbert (Author)
Other Authors: Loizeau, Pierre-Alain (Other) , Wisniewski, Krzysztof (Other)
Format: Article (Journal)
Language:English
Published: October 2012
In: Journal of Instrumentation
Year: 2012, Volume: 7, Issue: 10
ISSN:1748-0221
DOI:10.1088/1748-0221/7/10/P10008
Online Access:Verlag, Volltext: http://dx.doi.org/10.1088/1748-0221/7/10/P10008
Verlag, Volltext: http://stacks.iop.org/1748-0221/7/i=10/a=P10008?key=crossref.2d95ddf991be82033c2c4bd458012791
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Author Notes:I Deppner, N Herrmann, M Ciobanu, J Frühauf, M Kiš, P -A Loizeau, K Wisniewski, C Xiang
Description
Summary:The Compressed Baryonic Matter spectrometer (CBM) is expected to be operational in the year 2018 at the Facility for Anti-proton and Ion Research (FAIR) in Darmstadt, Germany. The key element providing hadron identification at incident energies between 2 and 10 AGeV is a Time-of-Flight (ToF) wall covering the polar angular range from 2.5◦-25◦ and full azimuth. The necessary particle identification capabilities require a 80 ps system time resolution at high efficiency and, simultaneously, a rate capability of up to 25 kHz/cm2. The existing conceptual design foresees a 120 m2 ToF-wall composed of Multi-gap Resistive Plate Chambers (MRPC) which is subdivided in five rate depending concentric arranged regions named A to E where A is the area having fluxes below 1 kHz/cm2 in average. For this region A which covers approximately 55% of the total area we developed a Multistrip-MRPC containing float glass as resistive electrode material. In this paper we present the design of this prototype and in particular results obtained during in beam tests at GSI/SIS18 at Darmstadt and COSY at Ju¨lich.
Item Description:Gesehen am 10.12.2018
Physical Description:Online Resource
ISSN:1748-0221
DOI:10.1088/1748-0221/7/10/P10008