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paper

Low-mass scalar production in $γγ$ scattering

arXiv:0811.1589 · doi:10.1016/j.nuclphysbps.2008.12.064

Abstract

We estimate the I=0 scalar meson $σ/f_0(600)$ $γγ$ widths, from $ππ$ and $γγ$ scattering data below 700 MeV using an improved analytic K-matrix model.

3 pages, 2 figures, Talk given at QCD 08 (Montpellier 7-12th july 2008)