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Numerical Evidence for the Observation of a Scalar Glueball

· 1995 · hep-lat · arXiv hep-lat/9510022

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abstract

We compute from lattice QCD in the valence (quenched) approximation the partial decay widths of the lightest scalar glueball to pairs of pseudoscalar quark-antiquark states. These predictions and values obtained earlier for the scalar glueball's mass are in good agreement with the observed properties of $f_J(1710)$ and inconsistent with all other observed meson resonances.

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2025 1

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Amplitude analysis of $\psi(3686)\to \gamma K_S^0 K_S^0 $

hep-ex · 2025-02-19 · unverdicted · novelty 7.0

First amplitude analysis of ψ(3686)→γKS0KS0 with a one-channel K-matrix finds four f0 and three f2 poles consistent with known states and reports branching-fraction ratios to J/ψ decays that constrain possible glueball content.

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  • Amplitude analysis of $\psi(3686)\to \gamma K_S^0 K_S^0 $ hep-ex · 2025-02-19 · unverdicted · none · ref 10 · internal anchor

    First amplitude analysis of ψ(3686)→γKS0KS0 with a one-channel K-matrix finds four f0 and three f2 poles consistent with known states and reports branching-fraction ratios to J/ψ decays that constrain possible glueball content.