Properties of light scalar mesons in the complex plane
arXiv:1108.4640
Abstract
The flavour and glue structure of the light scalar mesons in QCD are probed by studying the couplings of the $Ï(600)$ and $f_0(980)$ to the operators $\bar{q}q$, $θ_μ^μ$ and to two photons.
Talk given at the XIV international conference on hadron spectroscopy (hadron 2011), june 2011 Munich