%0 Generic %1 Colangelo2017Hadronic %A Colangelo, Gilberto %A Hoferichter, Martin %A Procura, Massimiliano %A Stoffer, Peter %D 2017 %K g-2, lbl %T Hadronic light-by-light contribution to \$(g-2)\_\mu\$: a dispersive approach %U http://arxiv.org/abs/1711.00281 %X After a brief introduction on ongoing experimental and theoretical activities on \$(g-2)\_\mu\$, we report on recent progress in approaching the calculation of the hadronic light-by-light contribution with dispersive methods. General properties of the four-point function of the electromagnetic current in QCD, its Lorentz decomposition and dispersive representation are discussed. On this basis a numerical estimate for the pion box contribution and its rescattering corrections is obtained. We conclude with an outlook for this approach to the calculation of hadronic light-by-light.

@misc{Colangelo2017Hadronic, abstract = {{After a brief introduction on ongoing experimental and theoretical activities on \$(g-2)\_\mu\$, we report on recent progress in approaching the calculation of the hadronic light-by-light contribution with dispersive methods. General properties of the four-point function of the electromagnetic current in QCD, its Lorentz decomposition and dispersive representation are discussed. On this basis a numerical estimate for the pion box contribution and its rescattering corrections is obtained. We conclude with an outlook for this approach to the calculation of hadronic light-by-light.}}, added-at = {2019-02-23T22:09:48.000+0100}, archiveprefix = {arXiv}, author = {Colangelo, Gilberto and Hoferichter, Martin and Procura, Massimiliano and Stoffer, Peter}, biburl = {https://www.bibsonomy.org/bibtex/21ce06cbe73a2839094692b22b53149d2/cmcneile}, citeulike-article-id = {14470436}, citeulike-linkout-0 = {http://arxiv.org/abs/1711.00281}, citeulike-linkout-1 = {http://arxiv.org/pdf/1711.00281}, day = 1, eprint = {1711.00281}, interhash = {ee44aa4fa9779e59739da0ab8df6bc5f}, intrahash = {1ce06cbe73a2839094692b22b53149d2}, keywords = {g-2, lbl}, month = nov, posted-at = {2017-11-02 15:30:49}, priority = {2}, timestamp = {2019-02-23T22:15:27.000+0100}, title = {{Hadronic light-by-light contribution to \$(g-2)\_\mu\$: a dispersive approach}}, url = {http://arxiv.org/abs/1711.00281}, year = 2017 }