Sequential Standard Model

In particle physics, the Sequential Standard Model (SSM) ^[1]^[2]^[3] is an extension of the the Standard Model (SM) of particle physics that predicts the existence of new resonances with properties similar to that of the SM, namely the W and Z gauge bosons. The new resonances, often denoted as Z'- and W'-bosons, are massive, neutral and charged spin-1 particles respectively and mediate the neutral and charged current interactions of the SM fermions. The Z' and W' boson couplings are assumed to be SM-like and the only free parameter is their mass1. In other phenomenological studies such as the Z'- and W'-bosons are described by a minimal set of free parameters mimicking the behaviour of new resonances predicted in some popular models. If not too heavy, they could give clear signals at hadron colliders.

See the properties of W′ and Z′ bosons.

References

↑ S. Glashow, “Partial Symmetries of Weak Interactions,” Nucl.Phys. 22 (1961) 579–588.
↑ A. Salam and J. C. Ward, “Electromagnetic and weak interactions,” Phys.Lett. 13 (1964) 168–171
↑ S. Weinberg, “A Model of Leptons,” Phys.Rev.Lett. 19 (1967) 1264–1266

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[1] S. Glashow, “Partial Symmetries of Weak Interactions,” Nucl.Phys. 22 (1961) 579–588.

[2] A. Salam and J. C. Ward, “Electromagnetic and weak interactions,” Phys.Lett. 13 (1964) 168–171

[3] S. Weinberg, “A Model of Leptons,” Phys.Rev.Lett. 19 (1967) 1264–1266

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Sequential Standard Model

Topic: Physics

References