Disconnected hadronic contribution to the muon magnetic moment at the physical point
February 27, 2017
March 24, 2017
We compute the slope and curvature, at vanishing four-momentum transfer squared, of the disconnected contribution of the leading order hadron vacuum polarization function, using lattice QCD. Calculations are performed with $2+1+1$ flavors of staggered fermions directly at the physical values of the quark masses and in volumes of linear extent larger than $6$~fm. The continuum limit is carried out using five different lattice spacings.
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