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Radiative and pionic decays of the D mesons and the magnetic moment of the charmed quark

Journal Article · · Phys. Rev. D; (United States)
;
The radiative and pionic decays of the D/sup */ mesons are studied using a quark-bag model which includes effects of pion-exchange currents. We find that uncertainties in current experiments are large enough to allow a significant value of a possible charmed-quark anomalous magnetic moment. Therefore, improved experiments would be useful. Other consequences of an anomalous magnetic moment are the following. The ratio of hadrons to ..mu../sup +/..mu../sup -/ pairs produced in e/sup +/e/sup -/ annihilations should rise significantly as the center-of-mass energy increases from 40 GeV; the decay rate for psiJ..-->..eta/sub c/+..gamma.. is reduced; and computed magnetic moments of charmed baryons are modified
Research Organization:
Institute for Nuclear Theory, Department of Physics, FM-15, University of Washington, Seattle, Washington 98195
OSTI ID:
5187548
Journal Information:
Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 37:9; ISSN PRVDA
Country of Publication:
United States
Language:
English

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Related Subjects

645202* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Electromagnetic Interactions & Properties
645203 -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BAG MODEL
BASIC INTERACTIONS
BOSON-EXCHANGE MODELS
BOSONS
BRANCHING RATIO
CHARM PARTICLES
CHARMED MESONS
COMPOSITE MODELS
D MESONS
DECAY
ELECTROMAGNETIC INTERACTIONS
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
EXTENDED PARTICLE MODEL
FERMIONS
HADRONS
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTONS
LIE GROUPS
MAGNETIC MOMENTS
MATHEMATICAL MODELS
MESONS
MUONS
OBE MODEL
OPE MODEL
PAIR PRODUCTION
PARTICLE DECAY
PARTICLE INTERACTIONS
PARTICLE MODELS
PERIPHERAL MODELS
PIONS
POSTULATED PARTICLES
PSEUDOSCALAR MESONS
QUARK MODEL
QUARKS
RADIATIVE DECAY
SU GROUPS
SU-7 GROUPS
SYMMETRY BREAKING
SYMMETRY GROUPS
WEAK HADRONIC DECAY
WEAK PARTICLE DECAY