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Hyperon Radiative Decays in the 1/N_c Expansion

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arxiv hep-ph/0404273 v1 pith:VEFCNNY7 submitted 2004-04-29 hep-ph

Hyperon Radiative Decays in the 1/N_c Expansion

classification hep-ph
keywords gammasigmacalculationdecaysexpansionradiativecomputehyperon
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Using a recent calculation of transition magnetic moments in the 1/N_c expansion and a calculation showing the suppression of E2/M1 by powers of N_c, we compute the widths for the radiative decays Sigma^* --> Sigma gamma, Sigma^* --> Lambda gamma, and Xi^* --> Xi gamma.

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