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[en] We study relativistic charmonium on very fine quenched lattices (β 6.4 and 6.6). We concentrate on the calculation of the hyperfine splitting between ηc and J/ψ, aiming for a controlled continuum extrapolation of this quantity. Results for the ηc and J/ψ wave functions are also presented
Journal
Nuclear Physics. B, Proceedings Supplements; ISSN 0920-5632; 
; CODEN NPBSE7; v. 106-107(1-3); p. 361-363
; CODEN NPBSE7; v. 106-107(1-3); p. 361-363