Masses of $[{\bf 70},\ell^+]$ baryons in large $N_c$ QCD

preprint2006arXivOpen access

Previous work is extended from SU(2) to SU(3) and we present results for the mass spectrum of the $[{\bf 70},\ell^+]$ ( $\ell=0,2$ ) nonstrange and strange baryons in the $1/N_c$ expansion. We show that the dominant term is the spin-spin interaction and its contribution vanishes at large excitations.

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Masses of $[{\bf 70},\ell^+]$ baryons in large $N_c$ QCD

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Masses of [70,ℓ+][{\bf 70},\ell^+][70,ℓ+] baryons in large NcN_cNc​ QCD

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Masses of $[{\bf 70},\ell^+]$ baryons in large $N_c$ QCD