Moving NRQCD for B form factors at high recoil
/ Abstract
Abstract We derive the continuum and lattice tree-level moving NRQCD (mNRQCD) through order1/m2. mNRQCD is a generalization of NRQCD for dealing with hadrons with nonzero velocityuμ. The quark's total momentum is written asPμ = Muμ + kμwherekμ ≪ Muμ is discretized andMuμ is treated exactly. Radiative corrections to couplings on the lattice are discussed. mNRQCD is particularly useful for calculatingB → π andB → D form factors since errors are similar at low and high recoil.