The Quenched $g_A$ in Nuclei and Emergent Scale Symmetry in Baryonic Matter

Yong-Liang Ma, Mannque Rho

A recent RIKEN experiment on the quenched $g_A$ in the superallowed Gamow-Telller transition from ${}^{100}$Sn indicates a role of scale anomaly encoded in the anomalous dimension $β…