Charmonium and light hadron spectroscopy

preprint2014arXivOpen access

Abstract

In this report I review some results on the charmonium and light hadron spectroscopy mainly from BESIII and Belle experiments. For the charmonium, the contents include the observation of $ψ(4040)/ψ(4160) \to η\jpsi$, the measurements of the ηc/ηc(2S)η_c/η_c(2S) resonance parameters and their decays, the evidence of the ψ2(13D2)ψ_2(1^3D_2) state in the χc1γχ_{c1}γ mass spectrum. For the light hadron spectroscopy, the contents include the X(1835)X(1835) research in $e^+e^- \to \jpsi + X(1835)$ and γγ→η′π+π−γγ\to η' π^+ π^- processes, and the analysis of the ηηηη, ωϕωϕ, ϕϕϕϕ and ωωωω mass spectra in low mass region.

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