RT Book, Section
T1 Dispersive chiral approach to meson-meson dynamics: Spectroscopy results for light scalars and precision studies
A1 Peláez Sagredo, José Ramón
AB Dispersive approaches provide model independent  description of meson-meson scattering. We first review here the use of dispersion relations to obtain a model independent unitarization of Chiral Perturbation Theory amplitudes, that establish the existence of light scalar mesons and whose leading 1/N_c behavior suggest they ahve a non q q̅ dominant component. We also review the forward dispersion relation checks on conflicting experimental data and the resulting very precise pi pi scattering scattering amplitudes.
PB Amer Inst Physics
SN 978-0-7354-0396-3
YR 2007
FD 2007
LK https://hdl.handle.net/20.500.14352/53483
UL https://hdl.handle.net/20.500.14352/53483
LA eng
NO ISSN: 0094-243X©2007 Amer Inst Physics.Conference on Quark Confinement and the Hadron Spectrum (7. 2006. Ponta Delgada, Portugal).I thank the organization staff, and particularly E. Ribeiro, for creating such a nice working environment and offering me the chance to participate in this wonderful Conference.
DS Docta Complutense
RD 10 may 2025