Aging effects in the COMPASS hybrid GEM-Micromegas pixelized detectors

Damien Neyret, Philippe Abbon, Marc Anfreville +10

Large-size hybrid and pixelized GEM-Micromegas gaseous detectors (40x40 cm${}^2$ active area) were developed and installed in 2014 and 2015 for the COMPASS2 physics program which sta…