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Non-strange partner of strangeonium-like state Y(2175) | | Xiao Wang
; Zhi-Feng Sun
; Dian-Yong Chen
; Xiang Liu
; Takayuki Matsuki
; | | Date: |
19 Feb 2012 | | Abstract: | Inspired by the observed Y(2175) state, we predict its non-strange partner
Y(1915), which has a resonance structure with mass around 1915 MeV and width
about $317sim 354$ MeV. Experimental search for Y(1915) is prpopsed by
analyzing the $omega f_0(980)$ or $omega pipi$ invariant mass spectrum of
the $e^+e^- o omega f_0(980), omega pipi$ and $J/psi o eta omega
f_0(980)$ processes, which are accessible at Belle, BaBar, BESIII and
forthcoming BelleII. Considering similarity between two families, the
comparison of the mass spectra of $omega$ and $phi$ families can provide
important information on the 1D state of $phi$ family, $phi(1910)$, which has
a very broad resonance structure with mass around 1910 MeV regarded as the
strangeonium partner of $omega(1650)$. This also answers the question why the
1D state $phi(1910)$ is still missing in experiment. This is supported by our
former study on the properties of Y(2175), which explains Y(2175) as the 2D
strangeonium because our thoretical total width is comparable with the Belle
data. | | Source: | arXiv, 1202.4139 | | Services: | Forum | Review | PDF | Favorites | |
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