LHC: Large Hadron Collider
LHC News: proton beams are back in the LHC on 5 April 2015.
Press release
Pubmic CMS News
From LHC-RUN1 days
LHC sees first collisions
First collision event in CMS experiment
first 11 events in CMS
NOT a prompt muon in cms, BUT a cosmic muon + background!
Jet activity during collisions at 900 GeV in CMS experiment for about an hour
CMS Experiment
Beam Splash Event in CMS
CMS Times
useful links for people working in CMS
CMS centres
e-commentary from CMS