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An update of the HLS estimate of the muon g−2
2013
European Physical Journal C: Particles and Fields
A global fit of parameters allows us to pin down the Hidden Local Symmetry (HLS) effective Lagrangian, which we apply for the prediction of the leading hadronic vacuum polarization contribution to the muon g-2. The latter is dominated by the annihilation channel e+e- -> pi+pi-, for which data are available by scan (CMD-2 and SND) and ISR (KLOE-2008, KLOE-2010 and BaBar) experiments. It is well known that the different data sets are not in satisfactory agreement. In fact it is possible to fix
doi:10.1140/epjc/s10052-013-2453-3
fatcat:k5m6ea7ufzhrzm2zu25qrtr4he