Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-10-13
Phys.Lett.B441:447-452,1998
Physics
High Energy Physics
High Energy Physics - Phenomenology
6 pages, 5 figures
Scientific paper
10.1016/S0370-2693(98)01137-X
We employ QCD sum rules, implemented with two numerical algorithms already tested in two different channels of Charmonium, in order to predict masses of resonances just above the ground states in the $^3 P$ channels. We find that such masses are above the threshold of open charm. We calculate also the partial decay widths of the ground states into light hadrons and, for even spins, into two gammas; we find consistency with data.
Pallavicini Marco
Robutti Enrico
Salvo Elvio Di
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