Large Nc Behavior of Light Scalar Meson Nonet Revisited

Details Large Nc Behavior of Light Scalar Meson Nonet Revisited Large Nc Behavior of Light Scalar Meson Nonet Revisited

2004-01-08

arxiv.org/abs/hep-ph/0401037v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages and 6 eps figures

Scientific paper

We study whether light scalar meson nonet can survive in large values of Nc
through observing how scattering amplitudes behave as Nc increases from 3
within a unitarized chiral approach. We obtain the result that vector mesons
such as rho and K* survive as narrow width resonances, but all of the scalar
meson nonet below 1 GeV fade out as Nc exceeds a rather small number about 6.

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