Illuminating hadron structure by scattering light on light

Abstract

The results of an Amplitude Analysis of the world data on integrated and differential cross-sections on $\gamma \gamma \to \pi \pi$ are presented, following the publication of the Belle charged pion results.

5 pages, 7 figures. To appear in the Proceedings of the International Workshop on $e^{+}{e}^{-}$ collisions from $\varphi$ to $\psi$, Frascati, April 2008. This version rewords the reference to the work of Achasov and Shestakov, with apologies to them for any misunderstanding

References in corpus (9)

• Glueballs, Hybrids, Multiquarks. Experimental facts versus QCD inspired concepts
• High statistics study of f_0(980) resonance in gamma gamma --> pi^+ pi^- production
• Two-photon decays of hadronic molecules
• High statistics measurement of the cross sections of gamma gamma -> pi^+ pi^- production
• Improved dispersion relations for γγ\to π^0π^0
• Lightest scalar and tensor resonances in $\gamma \gamma \to \pi \pi$ after the Belle experiment
• Location, correlation, radiation: where is the $\sigma$, what is its structure and what is its coupling to photons?
• Once more about the K\bar K molecule approach to the light scalars
• The Jigsaw Puzzle of Scalar Mesons

Cited by in corpus (3)

• The $\gamma \gamma$ decay of the $f_0(1370)$ and $f_2(1270)$ resonances in the hidden gauge formalism
• Two-photon and one photon-one vector meson decay widths of the $f_0(1370)$, $f_2(1270)$, $f_0(1710)$, $f_2^{\prime }(1525)$, and $K_2^{\ast }(1430)$
• Decay of vector-vector resonances into $\gamma$ and a pseudoscalar meson