2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/146393Directed flow $v_1$ treated as an effect of the transient matter rotation in hadronic and nuclei reactions.4 pages, no figures, talk given at the XII Workshop on High Energy Spin Physics, Dubna, Russia, September 3 - 7, 2007; to appear in the ProceedingsHigh Energy Physics - Phenomenologytext