Sign convention of residues in QCD sum rules


We show that signs of pole residues λN,λΛ,λΣ,λΞ for 12+ octet baryons are identical in the QCD sum rule approach. To do this we compare signs of meson-baryon coupling constants gKNΛ,gKNΣ, gπΛΣ and gKΛΞ each other.

QCD, Lightcone Physics and Hadron Phenomenology: NuSS’97 Tenth Nuclear Summer School and Symposium