Abstract
The standard description of “low energy” interactions is made in terms of a gauge theory for the electroweak and the strong interactions based on the group SU(3)colour ⊗ [SU(2) ⊗U(1)]e − w. All basic gauge fields are coupled to massless fermions and those mediating the electroweak interactions are also coupled to a set of scalar fields. The instability of the vacuum of the scalar sector generates a spontaneous symmetry breaking of the electroweak interactions and provides masses for the fermions and the residual scalar fields (Higgs’s).
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© 1982 Plenum Press, New York
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Petronzio, R. (1982). Constraints on Low Energy Coupling Constants in Grand Unified Theories. In: Zichichi, A. (eds) Pointlike Structures Inside and Outside Hadrons. The Subnuclear Series, vol 17. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-1065-5_12
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DOI: https://doi.org/10.1007/978-1-4684-1065-5_12
Publisher Name: Springer, Boston, MA
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