Sign convention of residues in QCD sum rules

Details Sign convention of residues in QCD sum rules Sign convention of residues in QCD sum rules

1997-09-26

arxiv.org/abs/nucl-th/9709059v1

Physics

Nuclear Physics

Nuclear Theory

Latex, 5 pages. Talk given at the 10th Summer School and Symposium on Nuclear Physics : QCD, Light cone Physics and Hadron Phe

Scientific paper

We show that signs of pole residues $\lambda_N, \lambda_\Lambda,
\lambda_\Sigma, \lambda_\Xi$ for ${1\over2}^+$ octet baryons are identical in
the QCD sum rule approach. To do this we compare signs of meson-baryon coupling
constants $ g_{KN \Lambda}, g_{KN \Sigma}$, $g_{\pi \Lambda \Sigma}$ and
$g_{K\Lambda \Xi}$ each other.

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