Two new wheels of the Resistive Plate Chambers (RPCs) of the muon system are being installed during the LHC’s first Long Shutdown (LS1). These will add to the six lateral wheels in the (outer) endcaps, which currently make up the RPC system with six…

From the CMS experimental site at Cessy, France, located at Point 5 on the LHC ring ————— The past two weeks have seen several pivotal steps taken towards achieving some of the key goals for CMS during the LHC’s first Long Shutdown (LS1). On 21…