Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/27493
Title: Beam studies of the segmented resistive WELL: a potential thin sampling element for digital hadron calorimetry
Authors: Arazi, Lior 
Azevedo, Carlos Davide Rocha 
Breskin, Amos 
Bressler, Shikma 
Moleri, Luca 
Luz, Hugo Natal da 
Oliveri, Eraldo 
Pitt, Michael 
Rubin, Adam 
Santos, Joaquim Marques Ferreira dos 
Veloso, João Filipe Calapez de Albuquerque 
White, Andrew Paul 
Keywords: Micropattern gaseous detectors (MPGD); THGEM; Digital hadron calorimetry (DHCAL); Resistive electrode; SRS; ILC
Issue Date: 21-Dec-2013
Publisher: Elsevier
Citation: ARAZI, Lior [et. al] - Beam studies of the segmented resistive WELL: a potential thin sampling element for digital hadron calorimetry. "Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment". ISSN 0168-9002. Vol. 732 (2013) p. 199-202
Serial title, monograph or event: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume: 732
Abstract: Thick Gas Electron Multipliers (THGEMs) have the potential of constituting thin, robust sampling elements in Digital Hadron Calorimetry (DHCAL) at future colliders. We report on recent beam studies of new single- and double-THGEM-like structures: the multiplier is a Segmented Resistive WELL (SRWELL) – a single-faced THGEM in contact with a segmented resistive layer inductively coupled to readout pads. Several 10×10 cm2 configurations with a total thickness of 5–6 mm (excluding electronics) with 1 cm2 pads were investigated with muons and pions. The pads were coupled to a scalable readout system APV chip, APV-SRS (Raymond et al. [22]). Detection efficiencies in the 98% range were recorded with an average pad-multiplicity of ~1.1. The resistive anode resulted in efficient discharge damping, with potential drops of a few volts; the discharge probabilities were ~10−7 for muons and ~10−6 for pions, at rates of a few kHz/cm2 and for detectors in the double-stage configuration. Further optimization work and research on larger detectors are underway.
URI: http://hdl.handle.net/10316/27493
ISSN: 0168-9002
DOI: 10.1016/j.nima.2013.08.006
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais

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