22 Feb 2011



LHCb is one of the four main experiments at the Large Hadron Collider at CERN with the purpose to study CP violation and rare decays of beauty and charm hadrons

​​LHCb Collaboration in front of the LHCb detector

(Credit: CERN)

The LHC is colliding protons at a centre-of-mass energy of 13TeV, producing 1012 bb pairs each year at the interaction point of the experiment. LHCb exploits this enormous production rate to study CP violating effects and other rare phenomena in the decays of B and D mesons. Studying the properties and decays of these particles (usually called flavour physics) with high precision can open windows to physics beyond the Standard Model.

The LHCb experiment is located at Point 8 of the LHC, 100 m underground by the French border close to the airport and Ferney Voltaire. It is in the same underground cavern as the Delphi experiment during LEP times and it is still possible to visit the barrel of the Delphi detector.

The RAL PPD Group has responsibilities in the construction and operation of the two RICH detectors, the building of the worldwide Computing Grid to process data and in the physics exploitation of the experiment.


A schematic diagram of the LHCb experiment and the various sub-detector systems.


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