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26 April 2024 |
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X(1812) in Quarkonia-Glueball-Hybrid Mixing Scheme | | Xiao-Gang He
; Xue-Qian Li
; Xiang Liu
; Xiao-Qiang Zeng
; | | Date: |
17 Apr 2006 | | Abstract: | Recently a $J^{PC}=0^{++}$ (X(1812)) state with a mass near the threshold of $omega$ and $phi$ has been observed by the BES collaboration in $J/psi o gamma omega phi$ decay. It has been suggested that it is a $I^G = 0^+$ state. If it is true, this state fits in a mixing scheme based on quarkonia, glueball and hybrid (QGH) very nicely where five physical states are predicted. Together with the known $f_0(1370)$, $f_0(1500)$, $f_0(1710)$, and $f_0(1790)$ states, X(1812) completes the five members in this family. Using known experimental data on these particles we determine the ranges of the mixing parameters and predict decay properties for X(1812). We also discuss some features which may be able to distinguish between four-quark and hybrid mixing schemes. | | Source: | arXiv, hep-ph/0604141 | | Services: | Forum | Review | PDF | Favorites | |
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