Sensitivity and environmental response of the CMS RPC gas gain   monitoring system
  Results from the gas gain monitoring   (GGM) system for the muon detector using RPC in the CMS experiment at the LHC is presented.   The system is designed to provide fast and accurate determination of any shift in the working point of the chambers due to gas mixture changes. 
L. Benussi (1), S. Bianco (1), S. Colafranceschi (1,2,3), F. L. Fabbri   (1), M. Giardoni (1), B. Ortenzi (1), A. Paolozzi (...