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dc.contributor.authorHawes, Frederick T.en
dc.contributor.authorPichowsky, M. A.en
dc.identifier.citationPhysical Review C, 1999; 59(3):1743-1750en
dc.description.abstractThe electromagnetic form factors GE(q²), GM(q²), and GQ(q²), charge radii, magnetic and quadrupole moments, and decay widths of the light vector mesons ρ⁺,K*⁺, and K*0 are calculated in a Lorentz-covariant, Dyson-Schwinger-equation-based model using algebraic quark propagators that incorporate confinement, asymptotic freedom, and dynamical chiral symmetry breaking, and vector-meson Bethe-Salpeter amplitudes closely related to the pseudoscalar amplitudes obtained from phenomenological studies of π and K mesons. Calculated static properties of vector mesons include the charge radii and magnetic moments 〈rρ+²〉1/2=0.61 fm, 〈rK*⁺²〉1/2=0.54 fm, and 〈rK*0²〉=-0.048 fm² and μρ+=2.69, μK*⁺=².37, and μK*0=-0.40. The calculated static limits of the ρ-meson form factors are similar to those obtained from light-front quantum mechanical calculations, but begin to differ above q²=1 GeV2 due to the dynamical evolution of the quark propagators in our approach.en
dc.description.statementofresponsibilityF. T. Hawes, M. A. Pichowskyen
dc.publisherAmerican Physical Societyen
dc.rights© 1999 The American Physical Societyen
dc.titleElectromagnetic form factors of light vector mesonsen
dc.typeJournal articleen
dc.contributor.schoolSchool of Chemistry and Physics : Physics and Mathematical Physicsen
Appears in Collections:Special Research Centre for the Subatomic Structure of Matter publications

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