Charmed meson spectroscopy on the lattice

Details Charmed meson spectroscopy on the lattice Charmed meson spectroscopy on the lattice

2011-10-28

arxiv.org/abs/1110.6457v1

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, presented at The XXIX International Symposium on Lattice Field Theory - Lattice 2011, July 10-16, 2011, Squaw Valley,

Scientific paper

We present a calculation of the spectrum of low-lying D and D_s mesons calculated on 2+1 flavor configurations with Clover-Wilson quarks generated by the PACS-CS collaboration. S- and P-wave states are explored for pion masses down to 156MeV, including some excited states. As a benchmark, a calculation of the low-lying charmonium spectrum is performed. While the charmonium results agree favorably with experiment, noticeable differences remain for charmed mesons in channels where resonances close to multi-particle thresholds exist.

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