2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/181553Results from the Belle and BaBar experiments on measurement of the weak angle phi_3 using a Dalitz plot analysis of the KSpi+pi- decay of the neutral D meson from the B+=>D(*)K(*)+ process are presented. The method employs the interference between D0 and D0bar to extract the angle phi_3, strong phase delta and the ratio r of suppressed and allowed amplitudes.4 pages, 3 figures. To appear in the proceedings of the 7th International Conference on Hyperons, Charm And Beauty Hadrons (BEACH 2006), 2nd-8th July 2006, Lancaster, EnglandHigh Energy Physics - Experimenttext