A Measurement Of The Wz And Zz Production Cross Sections Using Leptonic Final States In 8 6 Fb 1 Of P Bar P Collisions
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A Measurement of the $WZ$ and $ZZ$ Production Cross Sections Using Leptonic Final States in 8.6 Fb${̂-1}$ of $p\bar{p}$ Collisions
We study the processes p{bar p} → WZ → l?ll− and p{bar p} → ZZ → l+l−?{bar {nu}}, where l = e or?. Using 8.6 fb−1 of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron collider, we measure the WZ production cross section to be 4.50{sub -0.66}{sup +0.63} pb which is consistent with, but slightly above a prediction of the standard model. The ZZ cross section is measured to be 1.64 ± 0.46 pb, in agreement with a prediction of the standard model. Combination with an earlier analysis of the ZZ → l+l−l+l− channel yields a ZZ cross section of 1.44{sub -0.34}{sup +0.35} pb.
Measurement of $ZZ$ Production in Leptonic Final States at $\surd{s}$ of 1.96 TeV at CDF.
In this paper we present a precise measurement of the total ZZ production cross section in p{bar p} collisions at √s = 1.96 TeV, using data collected with the CDF II detector corresponding to an integrated luminosity of approximately 6 fb−1. The result is obtained by combining separate measurements in the four-charged (lll′l′), and two-charged-lepton and two-neutral-lepton (ll??) decay modes of the Z. The combined measured cross section for p{bar p} → ZZ is 1.64{sub -0.38}{sup +0.44} pb. This is the most precise measurement of the ZZ production cross section in 1.96 TeV p{bar p} collisions to date.
Measurement of the WZ Production Cross Section in Pp Collisions at $\sqrt{s}$
The WZ production cross section is measured by the CMS experiment at the CERN LHC in proton-proton collision data samples corresponding to integrated luminosities of 4.9 fb$^{-1}$ collected at $ \sqrt{s} = $ 7 TeV, and 19.6 fb$^{-1}$ at $ \sqrt{s} = $ 8 TeV. The measurements are performed using the fully-leptonic WZ decay modes with electrons and muons in the final state. The measured cross sections for 71 $