Electromagnetic effects on the light hadron spectrum

S. Basak, A. Bazavov, C. Bernard, C. DeTar, E. Freeland, J. Foley, Steven Gottlieb, U. M. Heller, J. Komijani, J. Laiho, L. Levkova, R. Li, J. Osborn, R. L. Sugar, A. Torok, D. Toussaint, R. S. Van De Water, R. Zhou

Research output: Contribution to journalConference Articlepeer-review

13 Scopus citations


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 χPT. 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.

Original languageEnglish (US)
Article number012052
JournalJournal of Physics: Conference Series
Issue number1
StatePublished - Sep 28 2015
Event26th IUPAP Conference on Computational Physics, CCP 2014 - Boston, United States
Duration: Aug 11 2014Aug 14 2014

ASJC Scopus subject areas

  • General Physics and Astronomy


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