Charmonium Spectrum from Quenched Lattice QCD with Tadpole Improvement Action
Da Qing Liu
Abstract
We report here our lattice simulation on the charmonium spectra in the quenched approximation. Because the full adjustment on the nonperturbative parameters such as CE, CB, m0as and rs needs many calculation time, we only adjust two of them, m0as and rs(ξ3 plays this role in the paper) but with some rescale for mass splitting. After the rescale, we find that our results are in agreement with the experiment ones.
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