Deciphering the light vector meson contribution to the cross sections of $e^{+}{e}^{-}$ annihilations into the open-strange channels through a combined analysis

Abstract

In this work, we perform a combined analysis to the measured data of the cross section of open-strange processes $e^{+}{e}^{-}\to K^{+}{K}^{-}$, $e^{+}{e}^{-}\to K{\bar{K}}^{\ast }+c.c.$, $e^{+}{e}^{-}\to K^{\ast +}{K}^{\ast -}$, $e^{+}{e}^{-}\to K_1(1270{)}^{+}{K}^{-}$, $e^{+}{e}^{-}\to K_1(1400{)}^{+}{K}^{-}$, $e^{+}{e}^{-}\to K_2^{\ast }(1430)\bar{K}+c.c.$ and $e^{+}{e}^{-}\to K(1460{)}^{+}{K}^{-}$ with the support of study of hadron spectroscopy. We reveal the contribution of the possible light vector mesons around 2 GeV to reproduce the cross section data of the reported open-strange processes from $e^{+}{e}^{-}$ annihilation which may provide a new perspective to construct the light vector meson family and understand the $Y(2175)$.

12 pages, 2 figures and 6 tables

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Cited by in corpus (9)

• Light unflavor vector meson spectroscopy around the mass range of $2.4\sim 3$ GeV and possible experimental evidence
• Electromagnetic form factors of $\Lambda$ hyperon in the vector meson dominance model and a possible explanation of the near-threshold enhancement of the $e^{+}{e}^{-}\to \Lambda \bar{\Lambda }$ reaction
• Cross section measurement of $e^{+}{e}^{-}\to K_S^0{K}_L^0$ at $\sqrt{s}=2.00-3.08\mathrm{GeV}$
• Understanding oscillating features of the timelike nucleon electromagnetic form factors within the extending vector meson dominance model
• The role of the $\omega (4S)$ and $\omega (3D)$ states in mediating the $e^{+}{e}^{-}\to \omega \eta$ and $\omega {\pi }^0{\pi }^0$ processes
• Higher strangeonium decays into light flavor baryon pairs like $\Lambda \bar{\Lambda }$, $\Sigma \bar{\Sigma }$, and $\Xi \bar{\Xi }$
• Role of $4S$-$3D$ mixing in explaining the $\omega$-like $Y(2119)$ observed in $e^{+}{e}^{-}\to \rho \pi$ and $\rho (1450)\pi$
• Broad resonance structure in $e^{+}{e}^{-}\to f_1(1285){\pi }^{+}{\pi }^{-}$ and higher $\rho$-meson excitations
• Decoding the role of $\rho$ mesonic states for elucidating the $e^{+}{e}^{-}\to a_2(1320)\pi$ data and other reactions