Sum rules for hadronic contributions to low-energy light-by-light scattering
arXiv:1112.1197
Abstract
We present a set of sum rules relating the low-energy light-by-light scattering to integrals of γγ-fusion cross sections and use them to study the hadronic contributions.
arXiv comment9 pp, 3 figs; contribution to PHOTON 2011 conference proceedings (22-27 May 2011, Spa, Belgium)