Charmonium spectrum from quenched QCD on anisotropic lattices

Details Charmonium spectrum from quenched QCD on anisotropic lattices Charmonium spectrum from quenched QCD on anisotropic lattices

2001-10-16

arxiv.org/abs/hep-lat/0110129v1

Nucl.Phys.Proc.Suppl. 106 (2002) 364-366

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2001(heavyquark), 3 pages, 7 eps figures

Scientific paper

We present our final results of the charmonium spectrum in quenched QCD on anisotropic lattices. Simulations are made with the plaquette gauge action and a tadpole improved clover quark action employing $\xi = a_s/a_t = 3$. We calculate the spectrum of S- and P-states and their excitation, and study the scaling behavior of mass splittings. Comparison is made with the experiment and previous lattice results. The issue of hyperfine splitting for different choices of the clover coefficients obtained by Klassen is discussed.

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