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Flavor changing interactions mediated by scalars at the weak scale
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Flavor changing interactions mediated by scalars at the weak scale
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The quark and lepton mass matrices possess approximate flavor symmetries. Several results follow if the interactions of new scalars possess these approximate symmetries. Present experimental bounds allow these exotic scalars to have a weak scale mass. The Glashow-Weinberg criterion is rendered unnecessary. Finally, rare leptonic B meson decays provide powerful probes of these scalars, especially if they are leptoquarks.
Forward citations
Cited by 2 Pith papers
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Maximal Abelian Flavor Symmetries
MAFS approximates 15 flavor observables in SU(5) using 5 ε_a parameters and in SO(10) using 3, while requiring large neutrino mixing from quark hierarchies and generating baryon asymmetry via leptogenesis.
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Maximal Abelian Flavor Symmetries
MAFS describes 15 flavor observables in SU(5) and SO(10) GUTs using 5 or 3 fitted small parameters at factor-of-two accuracy, implying large neutrino mixings and approximate leptogenesis without extra parameters in SU(5).
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