An analysis of f_0-sigma mixing in light cone QCD sum rules

Details An analysis of f_0-sigma mixing in light cone QCD sum rules An analysis of f_0-sigma mixing in light cone QCD sum rules

2004-10-28

arxiv.org/abs/hep-ph/0410380v1

Phys.Lett. B609 (2005) 291-297

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, Latex, 2 figures

Scientific paper

10.1016/j.physletb.2005.01.055

We investigate f_0-sigma mixing in the framework of light cone QCD sum rules and by employing the experimental results about the decay widths and the masses of these scalar mesons we estimate the scalar mixing angle by using sigma meson data and f_0 meson data. The two values we thus obtain of the scalar mixing angle are not entirely consistent with each other, possibly indicating that the structure of these mesons cannot be simple quark-antiquark states.

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