Speaker
Ms
bipasha Chakraborty
(University of Glasgow)
Description
We report our (HPQCD) progress with the lattice QCD calculations of both the connected and disconnected hadronic Vacuum Polarisation (HVP) contributions to the anomalous magnetic moment of the muon (g-2). Our method uses Padé approximants to reconstruct the Adler function from its derivatives at q^2=0. These are obtained simply and accurately from time-moments of the vector current-current correlator at zero spatial momentum. We give a full flavor estimate of the total HVP contribution calculated on MILC Collaboration's n_f = 2+1+1 HISQ ensembles at multiple values of the lattice spacing, multiple volumes and multiple light sea quark masses (including physical pion mass configurations) and corrected for finite volume effects.
Primary author
Ms
bipasha Chakraborty
(University of Glasgow)
Co-authors
Prof.
Christine Davies
(University of Glasgow)
Dr
Jonna Koponen
(University of Glasgow)
Mr
Pedro Gonçalves de Oliveira
(University of Glasgow)
Prof.
Peter Lepage
(Cornell University)
