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Bencivenni, G.; Felici, G.; Gatta, M.; Giovannetti, M.; Morello, G.; Lener, M. Poli; Tskhadadze, E.; De Oliveira, R.; Ochi, A., E-mail: giovanni.bencivenni@lnf.infn.it2019
AbstractAbstract
[en] The μ-RWELL is a single-amplification stage resistive Micro-Pattern Gaseous Detector (MPGD) . The detector amplification element is realized with a single copper-clad polyimide foil micro-patterned with a blind hole (well) matrix and embedded in the readout PCB through a thin Diamond-Like-Carbon (DLC) sputtered resistive film. The introduction of the resistive layer, suppressing the transition from streamer to spark, allows to achieve large gains (≥104) with a single amplification stage, while partially reducing the capability to stand high particle fluxes. The simplest resistive layout, designed for low-rate applications, is based on a single-resistive layer with edge grounding. At high particle fluxes this layout suffers of a non-uniform response. In order to get rid of such a limitation different current evacuation geometries have been designed. In this work we report the study of the performance of several high rate resistive layouts tested at the CERN H8-SpS and PSI πM1 beam test facilities. These layouts fulfill the requirements for the detectors at the HL-LHC and for the experiments at the next generation colliders FCC-ee/hh and CepC.
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Available from http://dx.doi.org/10.1088/1748-0221/14/05/P05014; Country of input: International Atomic Energy Agency (IAEA)
Record Type
Journal Article
Journal
Journal of Instrumentation; ISSN 1748-0221;
; v. 14(05); p. P05014

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