kappa K*(0)gamma-vertex in light cone QCD sum rules

Gokalp A., SARAÇ OYMAK Y., YILMAZ TÜZÜN Ö.

PHYSICAL REVIEW D, vol.77, no.11, 2008 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 77 Issue: 11
  • Publication Date: 2008
  • Doi Number: 10.1103/physrevd.77.114015
  • Journal Name: PHYSICAL REVIEW D
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Middle East Technical University Affiliated: Yes

Abstract

We investigate the kappa K*(0)gamma-vertex in the framework of light cone QCD sum rules. We estimate the coupling constant g(kappa K)*(0)gamma, and compare our result with that used in the nonlinear chiral Lagrangian approach using the vector-meson dominance model in the SU(3) limit.