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13 papers · 2 filters
Calculation of the hadronic vacuum polarization disconnected contribution to the muon anomalous magnetic moment
T. Blum, P. A. Boyle, T. Izubuchi +7
We report the first lattice QCD calculation of the hadronic vacuum polarization disconnected contribution to the muon anomalous magnetic moment at physical pion mass. The calculati…
Charge transport and vector meson dissociation across the thermal phase transition in lattice QCD with two light quark flavors
Bastian B. Brandt, Anthony Francis, Benjamin Jaeger +1
We compute and analyze correlation functions in the isovector vector channel at vanishing spatial momentum across the deconfinement phase transition in lattice QCD. The simulations…
Determining the scale in Lattice QCD
V. G. Bornyakov, R. Horsley, R. Hudspith +8
We discuss scale setting in the context of 2+1 dynamical fermion simulations where we approach the physical point in the quark mass plane keeping the average quark mass constant. W…
Neutral Kaon mixing beyond the Standard Model
R. J. Hudspith, N. Garron, A. T. Lytle
We compute the hadronic matrix elements of the four-quark operators needed for the study of mixing beyond the Standard Model. We have used flavours of do…
Study of the hadronic contributions to the running of the QED coupling and the weak mixing angle
Anthony Francis, Vera Gülpers, Gregorio Herdoíza +4
The electromagnetic coupling receives significant contributions to its running from non-perturbative QCD effects. We present an update of a lattice QCD study of the Adler function…
Exploring free-form smearing for bottomonium and B meson spectroscopy
Mark Wurtz, Randy Lewis, R. M. Woloshyn
Free-form smearing was designed as a way to implement source operators of any desired shape. A variation of the method is introduced that reduces the computational cost by reducing…