Bottomonium in a Bethe-Salpeter-equation study

Details Bottomonium in a Bethe-Salpeter-equation study Bottomonium in a Bethe-Salpeter-equation study

2011-09-29

arxiv.org/abs/1109.6509v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 4 figures, 2 tables

Scientific paper

Using a well-established effective interaction in a rainbow-ladder truncation model of QCD, we fix the remaining model parameter to the bottomonium ground-state spectrum in a covariant Bethe-Salpeter equation approach and find surprisingly good agreement with the available experimental data including the 2^{--} Upsilon(1D) state. Furthermore, we investigate the consequences of such a fit for charmonium and light-quark ground states.

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