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Precision Charmonium Spectroscopy From Lattice QCD | | C.T.H.Davies
; K.Hornbostel
; G.P.Lepage
; A.J.Lidsey
; J.Shigemitsu
; J.Sloan
; | | Date: |
22 Jun 1995 | | Journal: | Phys.Rev. D52 (1995) 6519-6529 | | Subject: | hep-lat | | Abstract: | We present results for Charmonium spectroscopy using 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. Splittings between the lowest $S$, $P$ and $D$ states are given and we have accurate values for the $S$ state hyperfine splitting and the $chi_c$ fine structure. Agreement with experiment is good - the remaining systematic errors are discussed. | | Source: | arXiv, hep-lat/9506026 | | Services: | Forum | Review | PDF | Favorites | |
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