Radiative decays of decuplet hyperons

Abstract

We calculate the radiative decay widths of decuplet hyperons in a chiral constituent quark model including electromagnetic exchange currents between quarks. Exchange currents contribute significantly to the E2 transition amplitude, while they largely cancel for the M1 transition amplitude. Strangeness suppression of the radiative hyperon decays is found to be weakened by exchange currents. Differences and similarities between our results and other recent model predictions are discussed.

11 pages, 1 eps figure, revtex, accepted for publication in Phys. Rev. C

References in corpus (3)

• Multipole analysis of pion photoproduction based on fixed t dispersion relations and unitarity
• A chiral bag model approach to delta electroproduction
• Exchange Currents in Photoproduction of Baryon Resonances

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