The "radiative Delta -> N gamma" decay in light cone QCD
Abstract
The "gDelta N gamma" coupling for the "Delta -> N gamma" decay is calculated in framework of the light cone QCD sum rules and is found to be gDelta N gamma = (1.6 pm 0.2) GeV(-1). Using this value of gDelta N gamma we estimate the branching ratio of the Delta+ -> N gamma decay, which is in a very good agreement with the experimental result.
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