2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/37890The RunII physics program at the Tevatron started in spring 2001 with protons and antiprotons colliding at an energy of $\sqrt{s}$=1.96 TeV, and it is carrying on with more than 500 pb-1 of data as collected by both the CDF and D0 experiments. Recent results on beauty production cross section measurements are here reported.4 pages, to appear in proceedings of the 40th Rencontres de Moriond on QCD and hadronic interactions, La Thuile, Italy, 12-19 Mar. 2005High Energy Physics - Experimenttext