Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-12-19
Phys.Rev. D69 (2004) 074023
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, 1 figure
Scientific paper
10.1103/PhysRevD.69.074023
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.
Gokalp Ahmet
Yilmaz Oguz
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