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SUMMARY:Resonances in coupled-channel scattering from lattice QCD - David 
 Wilson (Old Dominion University &amp\; Jefferson Lab)
DTSTART:20140715T143000Z
DTEND:20140715T153000Z
UID:TALK53425@talks.cam.ac.uk
CONTACT:Christopher Thomas
DESCRIPTION:For the first time we have obtained clear signals of resonance
 s in coupled-channel meson-meson scattering from lattice QCD. We extract a
  precise spectrum of energy levels relevant to pion-kaon and eta-kaon scat
 tering with isospin-1/2\, from lattices with three volumes and several mov
 ing frames. By using the Luescher method and recent generalisations\, thes
 e finite-volume energy levels are related to the infinite volume coupled-c
 hannel scattering amplitudes that clearly describe S\, P and D wave resona
 nces. In S-wave we find a broad resonance coupling dominantly to the pion-
 kaon channel and a narrow resonance in D-wave.
LOCATION:MR11 (B1.39)\, Pavilion B\, CMS
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