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arXiv · hep-ph/9709311

Narrow width of a glueball decay into two mesons

Jun Cao·Tao Huang·Hui-fang Wu
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Abstract

The widths of a glueball decay to two pions or kaons are analyzed in the pQCD framework. Our results show that the glueball ground state has small branching ratio for two-meson decay mode, which is around $10^{-2}$. The predicted values are consistent with the data of $ξ\toππ, KK$ if $ξ$ particle is a $2^{++}$ glueball. Applicability of pQCD to the glueball decay and comparison with $χ_{cJ}$ decay are also discussed.

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Jun Cao, Tao Huang, Hui-fang Wu. 1997-09-11. Narrow width of a glueball decay into two mesons. https://doi.org/10.1103/physrevd.57.4154

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