Delta --> N gamma in Large-Nc QCD

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dc.creatorJenkins, E.
dc.creatorJi, X.
dc.creatorManohar, A. V.
dc.date2002-07-05
dc.date.accessioned2026-07-07T10:33:06Z
dc.date.available2026-07-07T10:33:06Z
dc.descriptionThe decay Delta^+ --> p gamma is studied in the 1/N_c expansion of QCD. The ratio of the helicity amplitudes is determined to be A_{3/2}/A_{1/2} = \sqrt{3} + O(1/N_c^2). Equivalently, the ratio E2/M1 of the multipole amplitudes is predicted to be order 1/N_c^2.
dc.description4 pages
dc.identifierhttps://arxiv.org/abs/hep-ph/0207092
dc.identifierhttp://arxiv.org/abs/hep-ph/0207092
dc.identifierPhys.Rev.Lett.89:242001,2002
dc.identifierdoi:10.1103/PhysRevLett.89.242001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178990
dc.subjectHigh Energy Physics - Phenomenology
dc.titleDelta --> N gamma in Large-Nc QCD
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