PoS - Proceedings of Science
Volume 334 - The 36th Annual International Symposium on Lattice Field Theory (LATTICE2018) - Hadron Structure
HVP contribution of the light quarks to the muon (g - 2) including isospin-breaking corrections with Twisted-Mass fermions
D. Giusti,* V. Lubicz, G. Martinelli, F. Sanfilippo, S. Simula, C. Tarantino
*corresponding author
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Published on: May 29, 2019
Abstract
We present a preliminary lattice calculation of the leading-order electromagnetic and strong isospin-breaking corrections to the Hadronic Vacuum Polarization (HVP) contribution of the light quarks to the anomalous magnetic moment of the muon. The results are obtained in the quenched-$QED$ approximation using the $QCD$ gauge configurations generated by the European Twisted Mass Collaboration (ETMC) with $N_f = 2 + 1 + 1$ dynamical quarks, at three values of the lattice spacing varying from $0.089$ to $0.062 ~ \mbox{fm}$, at several lattice volumes and with pion masses in the range $M_\pi \simeq 220 \div 490 ~ \mbox{MeV}$.
DOI: https://doi.org/10.22323/1.334.0140
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