Accommodating three low-scale anomalies (g-2, Lamb shift, and Atomki) in the framed standard model

José BORDES, CHAN Hong-Mo, TSOU Sheung Tsun

The framed standard model (FSM) predicts a $0^{+}$ boson with mass around 20 MeV in the "hidden sector", which mixes at tree level with the standard Higgs $h_W$ and hence acquires sm…