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

doi:10.1088/1742-6596/640/1/012052

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

Physics

Research output: Contribution to journal › Conference article › peer-review

14 Scopus citations

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 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 language	English (US)
Article number	012052
Journal	Journal of Physics: Conference Series
Volume	640
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/640/1/012052
State	Published - Sep 28 2015
Event	26th IUPAP Conference on Computational Physics, CCP 2014 - Boston, United States Duration: Aug 11 2014 → Aug 14 2014

ASJC Scopus subject areas

General Physics and Astronomy

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10.1088/1742-6596/640/1/012052

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Basak, S., Bazavov, A., Bernard, C., DeTar, C., Freeland, E., Foley, J., Gottlieb, S., Heller, U. M., Komijani, J., Laiho, J., Levkova, L., Li, R., Osborn, J., Sugar, R. L., Torok, A., Toussaint, D., Van De Water, R. S., & Zhou, R. (2015). Electromagnetic effects on the light hadron spectrum. Journal of Physics: Conference Series, 640(1), Article 012052. https://doi.org/10.1088/1742-6596/640/1/012052

Basak, S, Bazavov, A, Bernard, C, DeTar, C, Freeland, E, Foley, J, Gottlieb, S, Heller, UM, Komijani, J, Laiho, J, Levkova, L, Li, R, Osborn, J, Sugar, RL, Torok, A, Toussaint, D, Van De Water, RS & Zhou, R 2015, 'Electromagnetic effects on the light hadron spectrum', Journal of Physics: Conference Series, vol. 640, no. 1, 012052. https://doi.org/10.1088/1742-6596/640/1/012052

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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 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.",

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

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AU - Basak, S.

AU - Bazavov, A.

AU - Bernard, C.

AU - DeTar, C.

AU - Freeland, E.

AU - Foley, J.

AU - Gottlieb, Steven

AU - Heller, U. M.

AU - Komijani, J.

AU - Laiho, J.

AU - Levkova, L.

AU - Li, R.

AU - Osborn, J.

AU - Sugar, R. L.

AU - Torok, A.

AU - Toussaint, D.

AU - Van De Water, R. S.

AU - Zhou, R.

PY - 2015/9/28

Y1 - 2015/9/28

N2 - 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.

AB - 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.

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Y2 - 11 August 2014 through 14 August 2014

ER -

Electromagnetic effects on the light hadron spectrum

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