Aging studies of Micromegas prototypes for the HL-LHC
J. Galan, D. Attie, J. Derre, E. Ferrer Ribas, A. Giganon, I., Giomataris, F. Jeanneau, J. Manjarres, R. de Oliveira, P. Schune, M. Titov,, J. Wotschack
TL;DR
This paper investigates the aging effects on resistive Micromegas detectors under intense X-ray and neutron radiation to assess their suitability for high-luminosity LHC upgrades.
Contribution
It provides new experimental data on Micromegas aging under various radiation conditions relevant to HL-LHC environments.
Findings
Detectors maintain performance after X-ray exposure
Neutron irradiation effects characterized
Aging behavior under high radiation doses analyzed
Abstract
The micromegas technology is a promising candidate to replace the forward muon chambers for the luminosity upgrade of ATLAS. The LHC accelerator luminosity will be five times the nominal one, increasing background and pile-up event probability. This requires detector performances which are currently under study in intensive R&D activities. Aging is one of the key issues for a high-luminosity LHC application. For this reason, we study the properties of resistive micromegas detectors under intense X-ray radiation and under thermal neutrons in different CEA-Saclay facilities. This study is complementary to those already performed using fast neutrons.
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