Radiative decays of decuplet hyperons

Details Radiative decays of decuplet hyperons Radiative decays of decuplet hyperons

1998-08-03

arxiv.org/abs/nucl-th/9808005v1

Phys.Rev.C58:1745-1750,1998

Physics

Nuclear Physics

Nuclear Theory

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

Scientific paper

10.1103/PhysRevC.58.1745

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.

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