Measurement of the W+W- Production Cross Section in ppbar Collisions at sqrt(s)=1.96 TeV using Dilepton Events

Abstract

We present a measurement of the W+W- production cross section using 184/pb of ppbar collisions at a center-of-mass energy of 1.96 TeV collected with the Collider Detector at Fermilab. Using the dilepton decay channel W+W- -> l+l-vvbar, where the charged leptons can be either electrons or muons, we find 17 candidate events compared to an expected background of 5.0+2.2-0.8 events. The resulting W+W- production cross section measurement of sigma(ppbar -> W+W-) = 14.6 +5.8 -5.1 (stat) +1.8 -3.0 (syst) +-0.9 (lum) pb agrees well with the Standard Model expectation.

8 pages, 2 figures, 2 tables. To be submitted to Physical Review Letters

References in corpus (4)

• First Measurements of Inclusive W and Z Cross Sections from Run II of the Tevatron Collider
• Measurement of the ttbar Production Cross Section in ppbar Collisions at sqrt(s) = 1.96 TeV using Dilepton Events
• Measurement of $W\gamma$ and $Z\gamma$ Production in $p\bar{p}$ Collisions at $\sqrt{s}$ = 1.96 TeV
• W Charge Asymmetry Measurement in CDF Run 2

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