Milestones
| 1998 | Construction of surface buildings for CMS begins. |
| 2000 | LEP shut down, construction of cavern begins. |
| 2004 | Cavern completed. |
| 10 September 2008 | First beam in CMS. |
| 23 November 2009 | First collisions in CMS. |
| 30 March 2010 | First 7 TeV collisions in CMS. |
| 29 April 2012 | Announcement of the 2011 discovery of the first new particle generated here, the excited neutral Xi-b baryon. |
| 4 July 2012 | Spokesperson Joe Incandela (UC Santa Barbara) announced evidence for a particle at about 125 GeV at a seminar and webcast. This is "consistent with the Higgs boson". |
-
The insertion of the vacuum tank, June 2002
-
YE+2 descent into the cavern
-
YE+1, a component of CMS weighing 1,270 tonnes, finishes its 100 m descent into the CMS cavern, January 2007
-
Computer-generated event display of protons hitting a tungsten block just upstream of CMS on the first beam day, September 2008
Read more about this topic: Compact Muon Solenoid