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22-28 July 2018
Kellogg Hotel and Conference Center
EST timezone

Exclusive Channel Study of the Muon HVP

Jul 27, 2018, 2:20 PM
106 (Kellogg Hotel and Conference Center)


Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Hadron Structure Hadron Structure


Dr Aaron Meyer (Brookhaven National Laboratory)


The Hadronic Vacuum Polarization (HVP) is a dominant contribution to the theoretical uncertainty of the muon anomalous magnetic moment. The uncertainty in lattice QCD calculations of the HVP are dominated by the long-distance contribution to the vector correlation function. With explicit studies of the exclusive channels of the HVP diagram, it is possible to reconstruct the long-distance behavior of the correlation function. This has the effect of replacing the large statistical uncertainty of the correlation function with a significantly smaller uncertainty from the reconstruction. In this talk, I will present preliminary results of an exclusive study of the vector-vector correlation function using the distillation technique. The computation is performed on 2+1 flavor Mobius Domain Wall Fermion ensembles with physical pion mass. Reconstruction of the long-distance correlation function will enable lattice-only calculations of the HVP to achieve precision similar to estimates of the HVP from the R-ratio method on the timescale of the new experimental measurements of the muon anomalous magnetic moment.

Primary author

Dr Aaron Meyer (Brookhaven National Laboratory)


Christoph Lehner (BNL) Dr Mattia Bruno (BNL) Taku Izubuchi (Brookhaven National Laboratory)

Presentation Materials