The coupling constant g$_{ρσγ}$ as derived from QCD sum rules

Details The coupling constant g$_{ρσγ}$ as derived from QCD sum rules The coupling constant g$_{ρσγ}$ as derived from QCD sum rules

2001-04-09

arxiv.org/abs/hep-ph/0104084v1

Phys.Rev. D64 (2001) 034012

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages RevTex, 3 postscript figures

Scientific paper

10.1103/PhysRevD.64.034012

We employ QCD sum rules to calculate the coupling constant
g$_{\rho\sigma\gamma}$ by studying the three point
${\rho\sigma\gamma}$-correlation function. Our results is consistent with the
value of this coupling constant obtained using vector meson dominance of the
electromagnetic current and the experimental $\rho^0$-photoproduction data.

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