The Scalar Glueball in the Instanton Vacuum
classification
✦ hep-ph
keywords
glueballscalarmassvacuumagreementbindingbound-statecalculations
read the original abstract
We study the contribution of instantons to the binding and the mass of the lightest scalar glueball, in gluondynamics. We show that the short-range correlations introduced by such non-perturbative vacuum fluctuations are sufficient to give raise to a scalar glueball bound-state, with mass in good agreement with the results of recent lattice calculations.
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