HLbL contribution to the muon g-2 using twisted-mass fermions at the physical point
Abstract
We present updated results for the hadronic light-by-light (HLbL) contribution to the muon anomalous magnetic moment. The calculations are based on ETMC's Nf=2+1+1 Wilson-clover twisted-mass ensembles at the physical point. We perform continuum extrapolations for the strange- and charm-quark connected contributions and report on our results for the light-quark connected and light-quark 2+2 disconnected contributions at one lattice spacing.
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