QCD and a Holographic Model of Hadrons

Details QCD and a Holographic Model of Hadrons QCD and a Holographic Model of Hadrons

2005-01-14

arxiv.org/abs/hep-ph/0501128v2

Phys.Rev.Lett.95:261602,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, revtex, v2: formula for rho-pi-pi coupling corrected

Scientific paper

10.1103/PhysRevLett.95.261602

We propose a five-dimensional framework for modeling low-energy properties of QCD. In the simplest three parameter model we compute masses, decay rates and couplings of the lightest mesons. The model fits experimental data to within 10%. The framework is a holographic version of the QCD sum rules, motivated by the anti-de Sitter/conformal field theory (AdS/CFT) correspondence. The model naturally incorporates properties of QCD dictated by chiral symmetry, which we demonstrate by deriving the Gell-Mann-Oakes-Renner relationship for the pion mass.

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