Photo-production of Positive Parity Excited Baryons in the 1/Nc Expansion of QCD

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dc.creatorScoccola, Jose L. Goity Norberto N.
dc.date2007-01-29
dc.date.accessioned2026-07-07T10:37:50Z
dc.date.available2026-07-07T10:37:50Z
dc.descriptionWe analyze the photo-production helicity amplitudes for the positive parity excited baryons in the context of the $1/N_c$ expansion of QCD. The results show that sub-leading corrections in $1/N_c$ are important and that, while 1-body effective operators are dominant, there is some evidence for the need of 2-body effects.
dc.description10 pages
dc.identifierhttps://arxiv.org/abs/hep-ph/0701244
dc.identifierhttp://arxiv.org/abs/hep-ph/0701244
dc.identifierPhys.Rev.Lett.99:062002,2007
dc.identifierdoi:10.1103/PhysRevLett.99.062002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/180512
dc.subjectHigh Energy Physics - Phenomenology
dc.titlePhoto-production of Positive Parity Excited Baryons in the 1/Nc Expansion of QCD
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