Is it just the interaction of particles with Higgs field that gives it the mass ??

12 December 2014 1 4K Report

please help me understand the origin of higgs boson and its the interaction of particle with higgs field

It is easy to understand in a simple local U(1) symmetry case. SU(2) case is a bit more difficult.

The Higgs potential V(φ) develops a classical minimum away from φ=0. Quantum fluctuations about this classical minimum are denoted by η (say). After doing some easy algebra one finds that η field is massive and m2η = 2v2λ. Here λ is the Higgs quartic coupling and v is VEV. See Halzen and Martin Eqns. 15.54 and 15.55

Eventually a main physics goal of HL-LHC experiment is to probe into Higgs quartic coupling or the Higgs self coupling.

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