The Glueball Spectrum from Constituent Models

Details The Glueball Spectrum from Constituent Models The Glueball Spectrum from Constituent Models

2008-11-17

arxiv.org/abs/0811.2710v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Invited talk at 'Selected Problems of Modern Theoretical Physics', Dubna June 23-27 2008. Talk at 'Confinement 8', Mainz, Sept

Scientific paper

We present a model for odd-$C$ (negative charge parity) glueballs with three constituent gluons. The model is an extension of a previous study of two-gluon glueballs. We show that, even if spin-1 gluons seem to reproduce properly the lattice QCD spectrum for $C=+$ states, the extension for $C=-$ cannot match with the lattice results. Resorting to the helicity formalism, we show how transverse gluons fit in better agreement the lattice QCD spectrum.

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