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Following the successful application of the relativistic heavy quark(RHQ)action to the charmonium and charm-strange meson spectrum, we study here thebottom system to explore the validity of this method in a regime with largerheavy quark momenta. The spectrum is calculated using the same dynamical 2+1flavor, $24^3\times 64$ domain wall fermion lattice configurations generated bythe RBC and UKQCD collaborations and used in the earlier charm study. The 3parameters in the RHQ action are determined by matching to the experimentalbottom-strange meson masses and extrapolated to the chiral limit from threedifferent sea quark masses. We predict the bottomonium mass spectrum andcompare it with experiment. A theoretical estimation is also carried out tounderstand the $O(a^2p^2)$ systematic errors found in the numerical study.

Bottom spectroscopy on dynamical 2+1 flavor domain wall fermion lattices with a relativistic heavy quark action