New look at the $[{\bf 70},1^-]$ nonstrange and strange baryons in the $1/N_c$ expansion

Details New look at the $[{\bf 70},1^-]$ nonstrange and strange baryons in the $1/N_c$ expansion New look at the $[{\bf 70},1^-]$ nonstrange and strange baryons in the $1/N_c$ expansion

2010-11-26

arxiv.org/abs/1011.5758v1

AIP Conf.Proc.1343:311-313,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 2 tables, talk given by N. Matagne at the conference "Quark Confinement and the Hadron Spectrum IX", Madrid, Spain, 3

Scientific paper

10.1063/1.3575013

The masses of excited nonstrange and strange baryons belonging to the multiplet $[{\bf 70},1^-]$ are calculated in the $1/N_c$ expansion to order $1/N_c$ with a new method which allows to considerably reduce the number of linearly independent operators entering the mass formula. This study represents an extension to SU(6) of our work on nonstrange baryons, the framework of which was SU(4).

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