Sign convention of residues in QCD sum rules

Seungho Choe

Sign convention of residues in QCD sum rules

Nuclear Theory 2007-05-23 v1

Authors: Seungho Choe

Abstract

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.

Keywords

qcd sum rules pole residues octet baryons sign convention meson-baryon coupling chiral symmetry

Cite

@article{arxiv.nucl-th/9709059,
  title  = {Sign convention of residues in QCD sum rules},
  author = {Seungho Choe},
  journal= {arXiv preprint arXiv:nucl-th/9709059},
  year   = {2007}
}

Comments

Latex, 5 pages. Talk given at the 10th Summer School and Symposium on Nuclear Physics : QCD, Light cone Physics and Hadron Phenomenology (NuSS'97), Seoul, Korea, 23-28 Jun 1997

Sign convention of residues in QCD sum rules

Abstract

Keywords

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