Heavy quarkonia spectra using wave function with gluonic components

Details Heavy quarkonia spectra using wave function with gluonic components Heavy quarkonia spectra using wave function with gluonic components

2009-02-11

arxiv.org/abs/0902.1920v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 4 figures

Scientific paper

We calculate the spectra of charmonium and bottomium in an approximation scheme which treats hard gluons perturbatively while soft gluons are expanded in a set of localized wave functions. Quark-antiquark and quark-antiquark-gluon sectors are included. Reasonable agreement with 2 parameters only is found but the spectra are too coulombic. Despite large coupling constant the admixture of the quark-antiquark-gluon sector is found to be remarkably small.

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