$B_c$ Spectroscopy from Lattice QCD

Details $B_c$ Spectroscopy from Lattice QCD $B_c$ Spectroscopy from Lattice QCD

1996-02-16

arxiv.org/abs/hep-lat/9602020v1

Phys.Lett. B382 (1996) 131-137

Physics

High Energy Physics

High Energy Physics - Lattice

12 pages uuencoded latex file + 1 postscript figure

Scientific paper

10.1016/0370-2693(96)00650-8

We present first results for $B_c$ spectroscopy using Lattice Non-Relativistic QCD (NRQCD). For the NRQCD action the leading order spin-dependent and next to leading order spin-independent interactions have been included with tadpole-improved coefficients. We use multi-exponential fits to multiple correlation functions to extract ground and excited $S$ states and give accurate values for the $S$ state hyperfine splitting and the P state ($B^{**}_c$) fine structure, including the effects of $^1P_1/^3P_1$ mixing.

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