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Heavy-light mesons in unitarized chiral perturbation theory

Michael Altenbuchinger
20 Feb 2013 - 11:00
Villa Tambosi 2nd Floor, Seminar Room

We analyze the scattering amplitude of D (D*) mesons off pseudo-Goldstone bosons in the framework of unitarized chiral perturbation theory. The S-wave scattering lengths and their light-quark mass dependence are investigated, and consistency with recent lattice QCD computations is explored. Possible bound states and resonances are discussed. Finally, we apply our results for heavy-light meson scattering off pseudo-Goldstone bosons in particular to BK and B*K systems.