QCD glueball sum rules and vacuum topology

Details QCD glueball sum rules and vacuum topology QCD glueball sum rules and vacuum topology

2006-08-06

arxiv.org/abs/hep-ph/0608071v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at the Seventh Workshop on Continuous Advances in QCD, Minneapolis, May 11-14, 2006, 7 pages

Scientific paper

Several key problems of QCD sum rules in the spin-0 glueball channels are resolved by implementing nonperturbative short-distance physics from direct instantons and topological charge screening. A lattice-based instanton size distribution and the IR renormalization of the nonperturbative Wilson coefficients are also introduced. Results of a comprehensive quantitative sum rule analysis are reviewed and their implications discussed.

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