Artículo
Analysis of negative parity baryon photoproduction amplitudes in the 1 / N c expansion
Fecha de publicación:
05/2008
Editorial:
Elsevier Science
Revista:
Physics Letters B
ISSN:
0370-2693
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
We study the photoproduction helicity amplitudes of negative parity baryons in the context of the 1/Nc expansion of QCD. A complete analysis to next-to-leading order is carried out. The results show subleading effects to be within the magnitude expected from the 1/Nc power counting. They also show significant deviations from the quark model, in particular the need for 2-body effects.
Palabras clave:
Photoproduction
,
Large Nc QCD
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Articulos(SEDE CENTRAL)
Articulos de SEDE CENTRAL
Articulos de SEDE CENTRAL
Citación
Scoccola, Norberto Nerio; Goity, J. L.; Matagne, N.; Analysis of negative parity baryon photoproduction amplitudes in the 1 / N c expansion; Elsevier Science; Physics Letters B; 663; 3; 5-2008; 222-227
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