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W.Yu, J.Zhao, T.Zhou, B.Zhu, J.Zielinski, M.Zieminska, D.Zivkovic, L.2022-04-292022-04-292012-05-02Physical Review Letters, v. 108, n. 18, 2012.0031-90071079-7114http://hdl.handle.net/11449/226807We study WW and WZ production with νqq (=e,μ) final states using data collected by the D0 detector at the Fermilab Tevatron Collider corresponding to 4.3fb -1 of integrated luminosity from pp̄ collisions at √s=1.96TeV. Assuming the ratio between the production cross sections σ(WW) and σ(WZ) as predicted by the standard model, we measure the total WV (V=W,Z) cross section to be σ(WV)=19.6-3.0+3.2pb and reject the background-only hypothesis at a level of 7.9 standard deviations. We also use b-jet discrimination to separate the WZ component from the dominant WW component. Simultaneously fitting WW and WZ contributions, we measure σ(WW)=15.9-3.2+3.7pb and σ(WZ)=3.3-3.3+4.1pb, which is consistent with the standard model predictions. © 2012 American Physical Society.engArtigo10.1103/PhysRevLett.108.1818032-s2.0-84860650393