Heavy-light meson's physics in Lattice QCD

Details Heavy-light meson's physics in Lattice QCD Heavy-light meson's physics in Lattice QCD

2008-10-20

arxiv.org/abs/0810.3624v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

talk at 34th International Conference on High Energy Physics, Philadelphia, USA, 2008. 4 pages, 2 figures

Scientific paper

The possibility of revealing new physics by studying the flavor sector of the Standard Model strongly depends upon the accuracy that will be achieved in (near) future lattice QCD calculations and, in particular, on heavy-light meson's observables. In turn, handling with heavy-light mesons on the lattice is a challenging problem, because of the presence of two largely separated energy scales, and at present it is impossible to extract matrix elements involving B mesons in external states without recurring to some approximation. In this note I give a fast overview of some of the methods that have been devised to handle such kind of problems, emphasizing those based on finite volume techniques, and briefly discuss some recent results obtained by their application.

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