English

Gluonia in QCD with massless quarks

High Energy Physics - Phenomenology 2007-05-23 v1 High Energy Physics - Experiment High Energy Physics - Lattice Nuclear Theory

Abstract

I briefly review the estimate of the gluonia masses, decay and mixings in QCD with massless quarks from QCD spectral sum rules and some low-energy theorems. The data in the 0++0^{++} channel can be explained with some maximal gluonium-quarkonium mixing schemes, which then suggest a large violation of the OZI rule, similar to the case of the η\eta' in the U(1)AU(1)_A sector.

Keywords

Cite

@article{arxiv.hep-ph/9711495,
  title  = {Gluonia in QCD with massless quarks},
  author = {Stephan narison},
  journal= {arXiv preprint arXiv:hep-ph/9711495},
  year   = {2007}
}

Comments

talk given at the HEP 97, Jerusalem (1997)