Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2007-12-10
Phys.Rev.D77:032005,2008
Physics
High Energy Physics
High Energy Physics - Experiment
18 pages, 10 figures
Scientific paper
10.1103/PhysRevD.77.032005
The decays of $J/\psi \to \omega K\bar{K}\pi$ and $J/\psi \to \phi K\bar{K}\pi$ are studied using $5.8 \times 10^{7}$ $J/\psi$ events collected with the Beijing Spectrometer (BESII) at the Beijing Electron-Positron Collider (BEPC). The $K^{0}_{S}K^{\pm}\pi^{\mp}$ and $K^{+}K^{-}\pi^{0}$ systems, produced in $J/\psi \to \omega K\bar{K}\pi$, have enhancements in the invariant mass distributions at around 1.44 GeV/$c^{2}$. However, there is no evidence for mass enhancements in the $K\bar{K}\pi$ system in $J/\psi \to \phi K\bar{K}\pi$. The branching fractions of $J/\psi \to \omega K^{0}_{S}K^{\pm}\pi^{\mp}$, $\phi K^{0}_{S}K^{\pm}\pi^{\mp}$, $\omega K^{*}\bar{K}+c.c.$, and $\phi K^{*}\bar{K}+c.c.$ are obtained, and the $J/\psi \to \eta K^{0}_{S}K^{\pm}\pi^{\mp}$ branching fraction is measured for the first time.
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