Higgs Production at LHC

The mechanism that governs the electroweak symmetrybreaking is at present the largest unknown in the StandardModel (SM) of elementary particle physics. The canoni-cal mechanism, the Higgs model, is a keystone of the SMand its supersymmetric extensions. However, it is basedon the existence of a CP-even scalar particle, the Higgsboson, which has not been detected yet and is the mostwanted particle of the Fermilab Tevatron and the CERNLarge Hadron Collider (LHC) physics programmes. Thedirect search in the e