A proton-proton collision candidate event. On November 23 protons from two beams circulated at LHC and have collided at LHCb.…

Animation (click on picture): pp collisions and proton beam gas collisions recorded on Nov. 23, 2009. Other reconstructed events can…

pi0 is the short lived particle decaying into two photons which were measured in the electromagnetic calorimeter ECAL. The plot…

… reconstructed Vertex Locator VELO track. Other reconstructed events can be found here. … event reconstructed later (offline reconstruction). Particularly…

LHC has restarted on November 21st. Two LHC beams have made a full turn of the LHC. Afterwards, after synchronization…