Charmonium Spectrum from Quenched Lattice QCD with Tadpole Improvement Action

Details Charmonium Spectrum from Quenched Lattice QCD with Tadpole Improvement Action Charmonium Spectrum from Quenched Lattice QCD with Tadpole Improvement Action

2003-03-25

arxiv.org/abs/hep-lat/0303020v3

Chin.Phys.Lett.21:2136-2139,2004

Physics

High Energy Physics

High Energy Physics - Lattice

12 pages

Scientific paper

10.1088/0256-307X/21/11/017

We report here our lattice simulation on the charmonium spectra in the quenched approximation. Because the full adjustment on the nonperturbative parameters such as $C_E$, $C_B$, $m_0a_s$ and $r_s$ needs many calculation time, we only adjust two of them, $m_0a_s$ and $r_s$($\xi_3$ 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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