QCD Vacuum Topology and Glueballs

Details QCD Vacuum Topology and Glueballs QCD Vacuum Topology and Glueballs

2004-07-22

arxiv.org/abs/hep-ph/0407270v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, no figures

Scientific paper

10.1063/1.1843614

We outline a comprehensive study of spin-0 glueball properties which, in particular, keeps track of the topological gluon structure. Specifically, we implement (semi-hard) topological instanton physics as well as topological charge screening in the QCD vacuum into the operator product expansion (OPE) of the glueball correlators. A realistic instanton size distribution and the (gauge-invariant) renormalization of the instanton contributions are also implemented. Predictions for 0^{++} and 0^{-+} glueball properties are presented.

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