Top Production Cross Sections at D0

Details Top Production Cross Sections at D0 Top Production Cross Sections at D0

2009-07-15

arxiv.org/abs/0907.2684v1

Physics

High Energy Physics

High Energy Physics - Experiment

Proceedings of 17th International Workshop on Deep Inelastic Scattering (DIS 2009), Madrid, 26-30 Apr 2009, 5 pages, 6 figures

Scientific paper

We report on measurements of the ttbar production cross section at a center-of-mass energy of 1.96 TeV at the D0 experiment during Run II of the Fermilab Tevatron collider. We use candidate events in lepton+jets and dilepton final states. In the most sensitive channel (lepton+jets channel), a neural network algorithm that uses lifetime information to identify b-quark jets is used to distinguish signal from background processes. We also present measurements of single top quark production at D0 using several multivariate techniques to separate signal from background.

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