Quark condensate and deviations from string-like behaviour of meson spectra

Details Quark condensate and deviations from string-like behaviour of meson spectra Quark condensate and deviations from string-like behaviour of meson spectra

2003-09-30

arxiv.org/abs/hep-ph/0309337v1

Phys.Lett. B576 (2003) 122-126

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, to be published in Physics Letters B

Scientific paper

I analyse the hypothesis that deviations from the linear meson mass spectra
appear due to the dynamical chiral symmetry breaking in QCD. It is shown that
the linear mass spectrum for the light, non-strange vector and axial-vector
mesons is then parametrized by the constant $f_{\pi}$, being successful
phenomenologically. The toy model for deviations from linearity is proposed.

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