High-rate glass resistive plate chambers for LHC muon detectors upgrade

The limitation of the detection rate of standard bakelite resistive plate chambers (RPC) used as muon detector in LHC experiments is behind the absence of such detectors in the high η regions in both CMS and ATLAS detectors. RPCs made with low resistivity glass plates (1010 Ω.cm) could be an adequate solution to equip the high TJ regions extending thus both the trigger efficiency and the physics performance. Different beam tests with single and multi-gap configurations using the new glass have shown that such detectors can operate at few thousands Hzlcm2 with high efficiency(>90%).