An extended vector meson dominance model with excited rho, omega, and phi states reproduces e+e- to Sigma Sigma-bar and e+e- to Lambda Sigma-zero data, and predicts unmeasured form factor ratios and phases.
Light unflavor vector meson spectroscopy around the mass range of $2.4\sim 3$ GeV and possible experimental evidence
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abstract
In this work, we predict the spectroscopy behavior of these light unflavored vector mesons with masses at the range of $2.4\sim 3$ GeV, which are still missing in the experiment. By presenting their mass spectrum and studying their two-body Okubo-Zweig-lizuka allowed decay widths, we discuss the possible experimental evidences of these discussed states combining with the present experimental data. Especially, we strongly suggest that our experimental colleagues carry out the exploration of these higher states via the $e^+e^-$ annihilation into light mesons. It is obvious that BESIII and Belle II will be potential experiments to achieve this target.
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The electromagnetic form factors of $\Sigma$ and $\Sigma^0 \to \Lambda$ transition in the timelike region
An extended vector meson dominance model with excited rho, omega, and phi states reproduces e+e- to Sigma Sigma-bar and e+e- to Lambda Sigma-zero data, and predicts unmeasured form factor ratios and phases.