Measurements of tt production cross-section with DO experiment

摘要

The recent measurements of the top anti-top quark pair productioncross-section in proton antiproton collisions at ~s~(1/2)= 1.96 TeV in lepton + jets anddilepton (including tau lepton) channels are presented. These measurements arebased on 1 fb~(-1)of data collected with the D0 experiment at Fermilab Tevatroncollider. The measured values are compatible with the standard model predictionand have the uncertainty close to the uncertainty of the theoretical prediction ti 10%.