(PhysOrg.com) — After some 180 days of running and four hundred trillion (4×1014) proton proton collisions, the LHC’s 2011 proton run came to an end at 5.15pm yesterday evening. For the second year running, the LHC team has largely surpassed its operational objectives, steadily increasing the rate at which the LHC has delivered data to the experiments.

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Large Hadron Collider proton run for 2011 reaches successful conclusion