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We present a study of baryon ground states and low lying excitations ofnon-strange and strange baryons. The results are based on seven gauge fieldensembles with two dynamical light Chirally Improved (CI) quarks correspondingto pion masses between 255 and 596 MeV and a strange valence quark with massfixed by the Omega baryon. The lattice spacing varies between 0.1324 and 0.1398fm. Given in lattice units, the bulk of our results are for size 16^3\times 32,for two ensembles with light pion masses (255 and 330 MeV) we also use24^3\times 48 lattices and perform an infinite volume extrapolation. We deriveenergy levels for the spin 1/2 and 3/2 channels for both parities. In general,our results in the infinite volume limit compare well with experiment. Weanalyze the flavor symmetry content by identifying the singlet/octet/decupletcontributions of the resulting eigenstates. The ground states compositionsagree with quark model expectations. In some cases the excited states, however,disagree and we discuss possible reasons.

QCD with Two Light Dynamical Chirally Improved Quarks: Baryons