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28 March 2024
 
  » arxiv » hep-lat/9602020

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$B_c$ Spectroscopy from Lattice QCD
C.T.H.Davies ; K.Hornbostel ; G.P.Lepage ; A.J.Lidsey ; J.Shigemitsu ; J.Sloan ;
Date 16 Feb 1996
Journal Phys.Lett. B382 (1996) 131-137
AbstractWe 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.
Source arXiv, hep-lat/9602020
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