Possible effects of color screening and large string tension in heavy quarkonium spectrum

Details Possible effects of color screening and large string tension in heavy quarkonium spectrum Possible effects of color screening and large string tension in heavy quarkonium spectrum

1995-02-28

arxiv.org/abs/hep-ph/9502409v1

Phys.Rev.D51:5064-5068,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages in Latex

Scientific paper

10.1103/PhysRevD.51.5064

Possible effects of the color screened confinement potential are investigated. Color screened linear potential with a large string tension $T=(0.26-0.32)GeV^2$ is suggested by a study of the $c\bar c$ and $b\bar b$ spectra. The $\psi (4160)$ and $\psi (4415)$ are respectively assigned as the $\psi (4S)$-dominated and the $\psi (5S)$ $c\bar c$ states. Satisfactory results for the masses and leptonic widths (with QCD radiative corrections) of $c\bar c$ and $b\bar b$ states are obtained.

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