### Jozef Dudek

College of William and Mary / Jefferson Lab
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Coupled-channel meson resonances from QCD

I'll present recent progress on determining properties of meson
resonances, decaying into multiple final states, using lattice
QCD. I'll show that the S-matrix as a function of scattering energy
can be extracted from the discrete spectrum of eigenstates of QCD in
the finite volume defined by the lattice. The illustrative example of
the a0 resonance, which appears as a sharp enhancement in pi-eta
scattering at the K-Kbar threshold, will be one focus of the talk.

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