The ${\rm Y}$ and ${{\rm Y}}^{\prime }$ Leptonic Widths, $a_{\mu }^b$ and $m_b$ from full lattice QCD

B. Colquhoun, R. J. Dowdall, C. T. H. Davies +2

We determine the decay rate to leptons of the ground-state ${\rm Y}$ meson and its first radial excitation in lattice QCD for the first time. We use radiatively-improved NRQCD for the $b…