We present a set of sum rules relating the low-energy light-by-light scattering to integrals of \gamma\gamma-fusion cross sections and use them to study the hadronic contributions.
@article{arxiv.1112.1197,
title = {Sum rules for hadronic contributions to low-energy light-by-light scattering},
author = {Vladimir Pascalutsa and Vladyslav Pauk and Marc Vanderhaeghen},
journal= {arXiv preprint arXiv:1112.1197},
year = {2015}
}
Comments
9 pp, 3 figs; contribution to PHOTON 2011 conference proceedings (22-27 May 2011, Spa, Belgium)