The $\eta /{\eta }^{\prime }\to {\pi }^{+}{\pi }^{-}\gamma$ Decays within BHLS${}_2$ and the Muon HVP

Maurice Benayoun, Luigi DelBuono, Fred Jegerlehner

The departure of the latest FNAL experimental average for the muon anomalous magnetic moment $a_{\mu }=(g_{\mu }-2)/2$ measurements having increased from $4.2\sigma$ to $5.0\sigma$, with respect to…