Non-perturbative quark mass dependence in the heavy-light sector of two-flavour QCD

By M. Morte, P. Fritzsch, J. Heitger, R. Sommer. 2008

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We present preliminary results of the non-perturbative heavy quark mass dependence of heavy-light meson observables in the continuum limit of finite-volume two-flavour lattice QCD. These observables, which are derived from heavy-light Schroedinger functional correlation functions and computed over a range of renormalization group invariant heavy quark masses from the charm to beyond the bottom region, allow for a quantitative comparison with the predictions of HQET and are of practical relevance for solving renormalization problems in HQET non-perturbatively by a matching to QCD in finite volume.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/10379873d7a9226a3f5c41e028c7a54911450f52