On 4 July 2012, the discovery of a new particle with a mass between 125 and 127 GeV/ c 2 was announced physicists suspected that it was the Higgs boson. The Minimal Supersymmetric Standard Model (MSSM) predicts several Higgs bosons. In a process known as the " Higgs mechanism", the Higgs boson and the other gauge bosons in the Standard Model acquire mass via spontaneous symmetry breaking of the SU(2) gauge symmetry. The Higgs boson is postulated by the electroweak theory primarily to explain the origin of particle masses. Bosons may be either elementary, like photons and gluons, or composite, like mesons.Īccording to the Standard Model, the elementary bosons are: Bosons are characterized by Bose–Einstein statistics and all have integer spins. īosons are one of the two fundamental particles having integral spinclasses of particles, the other being fermions.
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