Lattice calculation of the leading strange quark-connected contribution to the muon g − 2

A bstract We present results for the leading hadronic contribution to the muon anomalous magnetic moment due to strange quark-connected vacuum polarisation effects. Simulations were performed using RBC-UKQCD’s N f = 2 + 1 domain wall fermion ensembles with physical light sea quark masses at two latt...

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Published inThe journal of high energy physics Vol. 2016; no. 4; pp. 1 - 20
Main Authors Blum, T., Boyle, P. A., Del Debbio, L., Hudspith, R. J., Izubuchi, T., Jüttner, A., Lehner, C., Lewis, R., Maltman, K., Krstić Marinković, M., Portelli, A., Spraggs, M.
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.04.2016
Subjects
Classical and Quantum Gravitation
Continuums
Domain walls
Elementary Particles
Estimates
Fermions
Lattices
Mathematical analysis
Muons
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Simulation
String Theory
Lattice QCD
Lattice Quantum Field Theory
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Summary:A bstract We present results for the leading hadronic contribution to the muon anomalous magnetic moment due to strange quark-connected vacuum polarisation effects. Simulations were performed using RBC-UKQCD’s N f = 2 + 1 domain wall fermion ensembles with physical light sea quark masses at two lattice spacings. We consider a large number of analysis scenarios in order to obtain solid estimates for residual systematic effects. Our final result in the continuum limit is a μ (2)had, s  = 53.1(9)( − 3 + 1 ) × 10 − 10 .
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ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP04(2016)063