M. C. Tichy, P. Faccioli
Published 2007-11-24, updated 2009-07-18Version 3
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.
Comments: Version accepted for publication on EPJ C
QCD with and in nuclei: color transparency and short-range correlations in nuclei - theory, observations, directions for further studies
Electromagnetic form factors for nucleons in short-range correlations
Spin structure of the pion from the instanton vacuum
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