On a Possible Explanation of the Origin of the Quark Mass Spectrum

Details On a Possible Explanation of the Origin of the Quark Mass Spectrum On a Possible Explanation of the Origin of the Quark Mass Spectrum

1994-05-06

arxiv.org/abs/hep-ph/9405249v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, LATEX, JINR preprint E2-94-162

Scientific paper

Contrary to the usual case when the quark mass spectrum is defined by that of the quark Yukawa couplings while the vacuum expectation value of the Higgs field remains universal, we suggest to consider the opposite situation. Each generation of quarks and leptons is associated with its own Higgs doublet, while the Yukawa couplings are the same. This situation naturally arises in the framework of finite supersymmetric Grand Unification scenario. Nondegeneracy of the quark mass spectrum is then due to asymmetric vacuum expectation values which spontaneously break the discrete flavour symmetry in the Higgs sector.

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