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https://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: | https://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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Beam Studies of the Segmented Resistive WELL.pdf | 1.02 MB | Adobe PDF | View/Open |
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