Form factors for Lambda_b -> Lambda transitions from lattice QCD

William Detmold, C. -J. David Lin, Stefan Meinel +1

The rare baryonic decays ${\Lambda }_b\to \Lambda {\mu }^{+}{\mu }^{-}$ and ${\Lambda }_b\to \Lambda \gamma$ can complement rare $B$ meson decays in constraining models of new physics. In this work, we calculate the relevant $Λ_…