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Heavy baryon mass spectrum from lattice QCD with 2+1 dynamical sea quark flavors

Authors
  • Na, Heechang
  • Gottlieb, Steven
Type
Published Article
Publication Date
Dec 05, 2008
Submission Date
Dec 05, 2008
Source
arXiv
License
Yellow
External links

Abstract

We investigate the mass differences of charm and bottom heavy baryons, using MILC lattice gauge configurations with 2+1 dynamical sea quark flavors. We extend our previous work to three lattice spacings: fine (a~0.09), coarse (a~0.12), and medium-coarse (a~0.15) ensembles. For extrapolations and interpolations, we apply simultaneous quadratic fits and simple linear fits with the full QCD data points for the valence quark masses as well as the sea quark masses.

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