Wednesday, January 16, 2013

1301.3397 (Graham Moir et al.)

Excited $D$ and $D_{s}$ meson spectroscopy from lattice QCD    [PDF]

Graham Moir, Michael Peardon, Sinead M. Ryan, Christopher E. Thomas
We present highly excited spectra of charm-light and charm-strange mesons from dynamical lattice QCD. Our calculations are performed on anisotropic $N_{f} = 2+1$ dynamical ensembles generated by the Hadron Spectrum Collaboration. The use of novel techniques and a large basis of interpolating operators have allowed us to extract these spectra to a high degree of statistical precision, extract states of high spin and observe candidate hybrid mesons. We interpret and discuss our results in light of the current experimental situation.
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