New invariance in electroweak standard model and conservation of helicity

The Lagrangian of the electroweak standard model is invariant under the chirality transformation of fermionic fields and reversal of the Higgs field. This invariance implies the conservation of helicity in weak interaction processes. The application to leptonic weak interaction is discussed in detai...

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Bibliographic Details
Published in:International journal of theoretical physics 1993-04, Vol.32 (4), p.541-544
Main Authors: Wu, Bi-chu, Li, Zi-ping
Format: Article
Language:English
Subjects:
Applications of electroweak models to specific processes
BASIC INTERACTIONS
CHIRALITY
CONSERVATION LAWS
DECAY
Electroweak interactions
Exact sciences and technology
FIELD THEORIES
Field theories in dimensions other than four
Field theory
FUNCTIONS
General theory of fields and particles
HELICITY
HIGGS MODEL
INTERACTIONS
INVARIANCE PRINCIPLES
Lagrangian and hamiltonian approach
LAGRANGIAN FUNCTION
LEPTONIC DECAY
MATHEMATICAL MODELS
Pa
PARTICLE DECAY
PARTICLE MODELS
PARTICLE PROPERTIES
Particle Systematics > Unified Theories & Models > (1992-)
Physics
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Specific theories and interaction models
particle systematics
The physics of elementary particles and fields
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
WEAK INTERACTIONS
WEAK PARTICLE DECAY 662210 > Specific Theories & Interaction Models
WEINBERG-SALAM GAUGE MODEL
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Description
Summary:The Lagrangian of the electroweak standard model is invariant under the chirality transformation of fermionic fields and reversal of the Higgs field. This invariance implies the conservation of helicity in weak interaction processes. The application to leptonic weak interaction is discussed in detail.
ISSN:0020-7748
1572-9575
DOI:10.1007/BF00673757