Speaker
Pablo Rabán Mondéjar
(Universidad Complutense de Madrid)
Description
A precise description of low-energy pion-pion interactions is essential for many problems in hadronic physics. We present new global fits that satisfy dispersive constraints within uncertainties up to 1.6 GeV, while describing all available experimental data up to 1.8 GeV. Using continued-fraction expansions, we extract resonance pole parameters in a model-independent way from forward dispersion relations.
Authors
Jacobo Ruiz de Elvira Carrascal
(Complutense University of Madrid)
Prof.
José R. Peláez Sagredo
(Universidad Complutense de Madrid)
Pablo Rabán Mondéjar
(Universidad Complutense de Madrid)