The a₀K^+K^--vertex in light cone QCD sum rules
classification
✦ hep-ph
keywords
coneconstantcouplinglightrulesvertexanalysisdeterminations
read the original abstract
We investigate the $a_0K^+K^-$-vertex in the framework of light cone QCD sum rules. We estimate the coupling constant g$_{a_0K^+K^-}$ which is an essential ingredient in the analysis of physical processes involving $a_0(980)$ meson. Our result is somewhat larger than the previous determinations of this coupling constant.
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