Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-12-16
Phys.Lett.B642:53-61,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 text pages; 2 eps-form figures.To appear in Phys.Lett.B
Scientific paper
10.1016/j.physletb.2006.09.031
We calculate the mass of $0^{-+}$ triple-valence-gluon resonance, the trigluon glueball, with QCD sum rules. Its mass is found to be approximately in the region between 1.9 GeV and 2.7 GeV with some theoretical uncertainties. Moreover, it is likely that the new BES measurement of the $p \bar{p}$ enhancement near threshold in the $J/\psi$ decays exhibits the behavior of this trigluon state. Our analyzes favor the baryonium-gluonium mixing picture for the BES observation.
Hao Gang
Qiao Cong-Feng
Zhang Ai-Lin
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