Non-perturbative Heavy Quark Effective Theory: An application to semi-leptonic B-decays

Preprint number: CP3-Origins-2014-48 DNRF90 and DIAS-2014-48
Authors: Jochen Heitger (University Muenster), Michele Della Morte (CP3-Origins & DIAS), Hubert Simma (DESY), and Rainer Sommer (DESY)
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We review a lattice strategy how to non-perturbatively determine the coefficients in the HQET expansion of all components of the heavy-light axial and vector currents, including \(1/m_h\)-corrections. We also discuss recent preliminary results on the form factors parameterizing semi-leptonic B-decays at the leading order in \(1/m_h\).