Light Quark Spin-Flavor Symmetry for Baryons Containing a Heavy Quark in Large N QCD

Details Light Quark Spin-Flavor Symmetry for Baryons Containing a Heavy Quark in Large N QCD Light Quark Spin-Flavor Symmetry for Baryons Containing a Heavy Quark in Large N QCD

1993-07-11

arxiv.org/abs/hep-ph/9307243v1

Phys.Lett.B315:431-437,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

(14 pages, 2 figs, uses harvmac and uufiles), UCSD/PTH 93-17

Scientific paper

10.1016/0370-2693(93)91636-2

The couplings and interactions of baryons containing a heavy quark are related by light quark spin-flavor symmetry in the large $N$ limit. The single pion coupling constant which determines all heavy quark baryon-pion couplings is equal to the pion coupling constant for light quark baryons. Light quark symmetry relations amongst the baryon couplings are violated at order $1/N^2$. Heavy quark spin-flavor symmetry is used in conjunction with large $N$ light quark spin-flavor symmetry to determine the couplings of the degenerate doublets of heavy quark baryons.

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