Novel Method to Reliably Determine the QCD Coupling from $R_{\mathrm{uds}}$ Measurements and its effects to Muon $g-2$ and $\alpha (M_Z^2)$ within the Tau-Charm Energy Region

Jian-Ming Shen, Bing-Hai Qin, Jiang Yan +2

We present a novel method for precisely determining the QCD running coupling from $R_{\mathrm{uds}}$ measurements in electron-positron annihilation. When calculating the fixed-order per…