Y(2175): Distinguish Hybrid State from Higher Quarkonium

Details Y(2175): Distinguish Hybrid State from Higher Quarkonium Y(2175): Distinguish Hybrid State from Higher Quarkonium

2007-01-07

arxiv.org/abs/hep-ph/0701047v2

Phys.Lett.B657:49-54,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 8 figures

Scientific paper

10.1016/j.physletb.2007.10.020

The possibility of Y(2175) as a $2{^3D_1}$ $s\bar{s}$ meson is studied. We study the decay of $2{^3D_1}$ $s\bar{s}$ from both the $^3P_0$ 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 $2{^3D_1}$ $s\bar{s}$ are very different. The experimental search of the decay modes $KK$, $K^{*}K^{*}$, $K(1460)K$, $h_1(1380)\eta$ is suggested to distinguish the two pictures. Measuring the $K^{*}K^{*}$ partial width ratios is crucial to discriminate the $2{^3D_1}$ from the $3{^3S_1}$ $s\bar{s}$ assignment.

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