Electromagnetic effects on the light hadron spectrum
High Energy Physics - Lattice
2015-10-19 v1 High Energy Physics - Phenomenology
Abstract
For some time, the MILC Collaboration has been studying electromagnetic effects on light mesons. These calculations use fully dynamical QCD, but only quenched photons, which suffices to NLO in XPT. That is, the sea quarks are electrically neutral, while the valence quarks carry charge. For the photons we use the non-compact formalism. We have new results with lattice spacing as small as 0.045 fm and a large range of volumes. We consider how well chiral perturbation theory describes these results and the implications for light quark masses
Cite
@article{arxiv.1510.04997,
title = {Electromagnetic effects on the light hadron spectrum},
author = {MILC Collaboration and S. Basak and A. Bazavov and C. Bernard and C. DeTar and E. Freeland and J. Foley and Steven Gottlieb and U. M. Heller and J. Komijani and J. Laiho and L. Levkova and R. Li and J. Osborn and R. L. Sugar and A. Torok and D. Toussaint and R. S. Van de Water and R. Zhou},
journal= {arXiv preprint arXiv:1510.04997},
year = {2015}
}
Comments
Comments: 6 pages, 4 figures. Proceedings of the XXVI IUPAP Conference on Computational Physics (CCP2014), held at Boston University