Couplings of pions with heavy baryons from light-cone QCD sum rules in the leading order of HQET

Details Couplings of pions with heavy baryons from light-cone QCD sum rules in the leading order of HQET Couplings of pions with heavy baryons from light-cone QCD sum rules in the leading order of HQET

1998-02-03

arxiv.org/abs/hep-ph/9802226v2

Phys.Lett. B429 (1998) 72-78

Physics

High Energy Physics

High Energy Physics - Phenomenology

Minor changes, typos corrected, final version to appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(98)00436-5

The couplings of pions with heavy baryons g_2 (\Sigma^*, \Sigma) and
g_3(\Sigma^*, \Lambda) are studied with light-cone QCD sum rules in the leading
order of heavy quark effective theory. Both sum rules are stable. Our results
are g_2=(1.56\pm 0.3), g_3=(0.94\pm 0.06).

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