How Universal is the Coupling in the Sigma Model?

Details How Universal is the Coupling in the Sigma Model? How Universal is the Coupling in the Sigma Model?

2008-04-24

arxiv.org/abs/0804.3949v1

AIPConf.Proc.1030:160-164,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at the workshop SCADRON 70 "Scalar Mesons and Related Topics" February 11-16, 2008, at IST in Lisbon, Portugal. 5 pa

Scientific paper

10.1063/1.2973492

We calculate pion-pion scattering lengths and sigma, rho and a1 decay widths
from a gauged linear sigma model with two flavours and its globally invariant
generalisation.

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