Y(2175): Distinguish Hybrid State from Higher Quarkonium

Abstract

The possibility of Y(2175) as a $2{}^3{D}_1$ $s\bar{s}$ meson is studied. We study the decay of $2{}^3{D}_1$ $s\bar{s}$ from both the ${}^3{P}_0$ model and the flux tube model, and the results are similar in the two models. We show that the decay patterns of $1^{--}$ strangeonium hybrid and $2{}^3{D}_1$ $s\bar{s}$ are very different. The experimental search of the decay modes $KK$, $K^{\ast }{K}^{\ast }$, $K(1460)K$, $h_1(1380)\eta$ is suggested to distinguish the two pictures. Measuring the $K^{\ast }{K}^{\ast }$ partial width ratios is crucial to discriminate the $2{}^3{D}_1$ from the $3{}^3{S}_1$ $s\bar{s}$ assignment.

13 pages, 8 figures

Cited by in corpus (6)

• X(2175) as a resonant state of the $\varphi K\bar{K}$ system
• Canonical Charmonium Interpretation for Y(4360) and Y(4660)
• The Y(2175) State in the QCD Sum Rule
• On the ϕ(1020)f_0(980) S-wave scattering and the Y(2175) resonance
• $X(1835)$ and $\eta (1760)$ observed by the BES Collaboration
• The $\eta (2225)$ observed by the BES Collaboration