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Pion mass dependence of the HVP contribution to muon g – 2
2018
EPJ Web of Conferences
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One of the systematic errors in some of the current lattice computations of the HVP contribution to the muon anomalous magnetic moment g-2 is that associated with the extrapolation to the physical pion mass. We investigate this extrapolation assuming lattice pion masses in the range of 220 to 440 MeV with the help of two-loop chiral perturbation theory, and find that such an extrapolation is unlikely to lead to control of this systematic error at the 1 level. This remains true even if various
doi:10.1051/epjconf/201817506010
fatcat:bqzvehwkvvdorofm6m7m6vzwne