Flavor-changing interactions mediated by scalars at the weak scale

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 unnec...

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Bibliographic Details
Published in:Physical review letters 1992-09, Vol.69 (13), p.1871-1873
Main Authors: ANTARAMIAN, A, HALL, L. J, RASIN, A
Format: Article
Language:English
Subjects:
662210 - Specific Theories & Interaction Models
662430 - Properties of Leptons- (1992-)
662440 - Properties of Other Particles Including Hypothetical Particles- (1992-)
Classical and quantum physics: mechanics and fields
COMPOSITE MODELS
ELEMENTARY PARTICLES
Exact sciences and technology
FERMIONS
FIELD THEORIES
FLAVOR MODEL
HIGGS MODEL
LAGRANGIAN FIELD THEORY
LEPTONS
LIMITING VALUES
MASS
MATHEMATICAL MODELS
MIXING
Pa
PARTICLE MODELS
Particle Systematics- Unified Theories & Models- (1992-)
Physics
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
POSTULATED PARTICLES
QUANTUM FIELD THEORY
QUARK MODEL
QUARKS
Theory of quantized fields
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Description
Summary: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 {ital B} meson decays provide powerful probes of these scalars, expecially if they are leptoquarks.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.69.1871