$0^{++}$ Resonances Observed at BES

B.S.Zou (IHEP; Beijing) for BES Collaboration

arXiv:0804.2756·hep-ex·November 26, 2008

$0^{++}$ Resonances Observed at BES

B.S.Zou (IHEP, Beijing) for BES Collaboration

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TL;DR

This paper reviews a decade of observations and studies of $0^{++}$ resonances at BES across various particle decay processes, summarizing the experimental findings and their significance.

Contribution

It provides a comprehensive review of $0^{++}$ resonance observations at BES, consolidating results from multiple decay channels over ten years.

Findings

01

Multiple $0^{++}$ resonances observed across various decay modes.

02

Consistent experimental evidence supporting the existence of these resonances.

03

Enhanced understanding of scalar meson properties and behaviors.

Abstract

In last 10 years, $0^{++}$ resonances have been observed and studied at BES in many processes, such as $J / ψ \to γ π^{+} π^{-} π^{+} π^{-}$ , $γ π^{+} π^{-}$ , $γ π^{0} π^{0}$ , $γ K^{+} K^{-}$ , $γ K_{S} K_{S}$ , $γ ω ϕ$ , $ω π^{+} π^{-}$ , $ω K^{+} K^{-}$ , $ϕ π^{+} π^{-}$ , $ϕ K^{+} K^{-}$ , $ψ (2 S) \to J / ψ π^{+} π^{-}$ , $χ_{c 0} \to π^{+} π^{-} K^{+} K^{-}$ , $π^{+} π^{-} π^{+} π^{-}$ etc.. The results on $0^{++}$ resonances observed at BES are reviewed.

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