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Interstrip capacitances of the readout board used in large triple-GEM detectors for the CMS Muon Upgrade

Abbas, M. 1; Abbrescia, M.; Abdalla, H.; Abdelalim, A.; AbuZeid, S.; Agapitos, A.; Ahmad, A.; Ahmed, A.; Ahmed, W.; Aimè, C.; Aruta, C.; Asghar, I.; Aspell, P.; Avila, C.; Babbar, J.; Ban, Y.; Band, R.; Bansal, S.; Benussi, L.; ... mehr


We present analytical calculations, Finite Element Analysis modelling, and physical measurements of the interstrip capacitances for different potential strip geometries and dimensions of the readout boards for the GE2/1 triple-Gas Electron Multiplier detector in the CMS muon system upgrade. The main goal of the study is to find configurations that minimize the interstrip capacitances and consequently maximize the signal-to-noise ratio for the detector. We find agreement at the 1.5-4.8% level between the two methods of calculations and on the average at the 177c level between calculations and measurements. A configuration with halved strip lengths and doubled strip widths results in a measured 27-29% reduction over the original configuration while leaving the total number of strips unchanged. We have now adopted this design modification for all eight module types of the GE2/1 detector and will produce the final detector with this new strip design.

Verlagsausgabe §
DOI: 10.5445/IR/1000131310
Veröffentlicht am 23.08.2021
DOI: 10.1088/1748-0221/15/12/P12019
Zitationen: 1
Zitationen: 1
Cover der Publikation
Zugehörige Institution(en) am KIT Karlsruher Institut für Technologie (KIT)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2020
Sprache Englisch
Identifikator ISSN: 1748-0221
KITopen-ID: 1000131310
Erschienen in Journal of Instrumentation
Verlag Institute of Physics Publishing Ltd (IOP Publishing Ltd)
Band 15
Heft 12
Seiten Art.-Nr. P12019
Vorab online veröffentlicht am 14.12.2020
Nachgewiesen in Web of Science
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