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hep-ph2000
The light scalars, especially the sigma, in charm decay and elsewhere
N. A. Tornqvist, A. D. Polosa
We discuss how the lightest scalars, in particular the broad sigma resonance, can be understood as unitarized (qbar q) states within a unitarized quark model (UQM). The bare (qbar…
hep-ph2000
How to understand the lightest scalars
Nils A. Tornqvist
Based on previous papers I discuss how I understand the lightest scalars using a general coupled channel model. This model includes all light two-pseudoscalar thresholds, constrain…
hep-ph2000
Summary talk at the conference on the sigma resonance
Nils A. Tornqvist
This report summarizes the most important results presented at the recent conference held at the Yukawa Institute of Theoretical Physics in Kyoto, devoted to the recently confirmed…