Yukawa textures with an anomalous horizontal abelian symmetry

1996/01/11 by Pierre Binétruy, P. Binétruy, Stéphane Lavignac +3 · 6 citations
Physics and Astronomy · #Neutrino Physics Research #Particle physics theoretical and experimental studies #Quantum and Classical Electrodynamics #hep-ph

paper · pdf · doi:10.1016/0550-3213(96)00296-9

published as Nucl.Phys. B477 (1996) 353-377 · 28 pages

arxiv created 1996/01/11 · openalex publication_date 1996/10/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

The observed hierarchy of quark and lepton masses and mixings may be obtained by adding an abelian family symmetry to the Minimal Supersymmetric Model and coupling quarks and leptons to an electroweak singlet scalar field. In a large class of such models, this symmetry suffers from anomalies which must be compensated by the Green-Schwarz mechanism; this in turn fixes the electroweak mixing angle to be sin² θ_W = 3/8 at the string scale, without any assumed GUT structure. The analysis is extended to two distinct generalisations of the Standard Model: neutrino masses and mixings and R-parity violating interactions.

Citations

• Observation of the Top Quark
• Observation of Top Quark Production in Pbar-P Collisions
• Mass matrix models: the sequel

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