2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/162189In the approach, based on analyticity and unitarity and assuming an influence of coupled channels, experimental data on the isovector P-wave of pion-pion scattering have been analyzed to study rho-like mesons below 1.9 GeV.10 pages, 6 figures. Corrected versionHigh Energy Physics - Phenomenologytext