Strong-Isospin-Breaking Correction to the Muon Anomalous Magnetic Moment from Lattice QCD at the Physical Point
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PhysRevLett.120.152001.pdf
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Univ Arizona, Dept Phys, Tucson, AZ 85721 USAIssue Date
2018-04-12Metadata
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AMER PHYSICAL SOCCitation
Fermilab Lattice, H. P. Q. C. D., Collaborations, M. I. L. C., Chakraborty, B., Davies, C. T. H., DeTar, C., El-Khadra, A. X., ... & Kronfeld, A. S. (2018). Strong-isospin-breaking correction to the muon anomalous magnetic moment from lattice QCD at the physical point. Physical Review Letters, 120(15), 152001.Journal
PHYSICAL REVIEW LETTERSRights
Copyright © The Author(s). Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license.Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.Abstract
All lattice-QCD calculations of the hadronic-vacuum-polarization contribution to the muon's anomalous magnetic moment to date have been performed with degenerate up- and down-quark masses. Here we calculate directly the strong-isospin-breaking correction to a(mu)(HVP) for the first time with physical values of m(u) and m(d) and dynamical u, d, s, and c quarks, thereby removing this important source of systematic uncertainty. We obtain a relative shift to be applied to lattice-QCD results obtained with degenerate light-quark masses of delta a(mu)(HVP,) (mu not equal md) = +1.5(7)%, in agreement with estimates from phenomenology.Note
Authors retain "The right to use all or part of the Article, including the APS-prepared version without revision or modification, on the author(s)’ web home page or employer’s website and to make copies of all or part of the Article, including the APS-prepared version without revision or modification, for the author(s)’ and/or the employer’s use for educational or research purposes."ISSN
0031-90071079-7114
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Final published versionSponsors
Office of Science of the U.S. Department of Energy; National Science Foundation's Teragrid/XSEDE Program; U.K. Science and Technology Facility Council; U.K. Department for Business, Innovation and Skills; University of Cambridge; University of Glasgow; National Science Foundation [ACI-1532235, ACI-1532236, OCI-0725070, ACI-1238993]; University of Colorado Boulder; Colorado State University; state of Illinois; U.S. Department of Energy [DE-AC05-06OR23177, DE-SC0010120, DE-SC0015655, DE-SC0009998, DE-SC0010005, DE-FG02-13ER41976, DE-SC0012704]; U.S. National Science Foundation [PHY14-17805, PHY14-14614, PHY13-16222, PHY12-12389, PHY13-16748, PHY16-20625]; Royal Society; STFC; Wolfson Foundation; MINECO (Spain) [FPA2013-47836-C-1-P, FPA2016-78220-C3-3-P]; Junta de Andalucia (Spain) [FQM-101]; Fermilab Distinguished Scholars Program; German Excellence Initiative; European Union Seventh Framework Program [291763]; European Union's Marie Curie COFUND program; Blue Waters PAID program; U.K. STFC [ST/N005872/1, ST/P00055X/1]; United States Department of Energy, Office of Science, Office of High Energy Physics [DE-AC02-07CH11359]Additional Links
https://link.aps.org/doi/10.1103/PhysRevLett.120.152001Scopus Count
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Except where otherwise noted, this item's license is described as Copyright © The Author(s). Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license.