Abstract
A general formula relating the /sup 3/P/sub 2/-/sup 3/P/sub 1/ and /sup 3/P/sub 1/-/sup 3/P/sub 0/ fine-structure splittings in quarkonium is derived within the context of the covariant harmonic-oscillator quark model. The unique feature of the formula is its ability to predict the fine-structure splittings for u-italicu-bar(d-italicd-bar), s-italics-bar, c-italicc-bar, b-italicb-bar, and t-italict-italic-bar with only one essentially free parameter. Overall agreement with experiment is reasonably good.
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