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Parity violation in atoms induced by radiative corrections

Journal Article · · Phys. Rev., D; (United States)
;
We discuss the radiative corrections that induce a parity-violating electron-nucleus interaction in gauge theories. These higher-order effects are shown to be much larger than one might anticipate in a wide class of models. In particular, for an SU(2) x U(1) gauge model in which the electrons's neutral-current coupling is pure vector, they lead to an optical rotation in bismuth which is about 11% as large as that predicted by the standard Weinberg-Salam model and opposite in sign: an experimentally testable consequence. Similar results are also found for an SU/sub L/(2) x SU/sub R/(2) x U(1) model in which parity-violating neutral currents are naturally absent in lowest order. General formulas for the dominant radiative corrections which are applicable to most models are presented. The relevance of our results for experiments and ordinary hydrogen and deuterium is also discussed.
Research Organization:
Department of Physics, The Rockefeller University, New York, New York 10021
OSTI ID:
6778032
Journal Information:
Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 17:11; ISSN PRVDA
Country of Publication:
United States
Language:
English

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Related Subjects

640305 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Theory-- (-1987)
645203* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
645302 -- High Energy Physics-- Particle Invariance Principles & Symmetries-- Applications to Electromagnetic & Weak Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
74 ATOMIC AND MOLECULAR PHYSICS
ATOMS
CHARGED-PARTICLE REACTIONS
CORRECTIONS
DEUTERIUM TARGET
ELECTRON REACTIONS
GAUGE INVARIANCE
HYDROGEN 1 TARGET
INTERACTIONS
INVARIANCE PRINCIPLES
LEPTON REACTIONS
LIE GROUPS
MATHEMATICAL MODELS
NEUTRAL-CURRENT INTERACTIONS
NUCLEAR REACTIONS
P INVARIANCE
PARTICLE INTERACTIONS
PARTICLE MODELS
RADIATIVE CORRECTIONS
SU GROUPS
SU-2 GROUPS
SYMMETRY GROUPS
TARGETS
U GROUPS
U-1 GROUPS
UNIFIED GAUGE MODELS
WEINBERG-SALAM GAUGE MODEL