期刊
PHYSICAL REVIEW LETTERS
卷 120, 期 15, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.120.152001
关键词
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资金
- 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]
- STFC [ST/P00055X/1, ST/N005872/1, 1802748, ST/P000746/1, ST/P000479/1, ST/L000466/1] Funding Source: UKRI
- Direct For Computer & Info Scie & Enginr
- Office of Advanced Cyberinfrastructure (OAC) [1615006, 1532236] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [1414614] Funding Source: National Science Foundation
- U.S. Department of Energy (DOE) [DE-SC0009998] Funding Source: U.S. Department of Energy (DOE)
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.
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