First Observation of Vector Boson Pairs in a Hadronic Final State at the Tevatron Collider

Details First Observation of Vector Boson Pairs in a Hadronic Final State at the Tevatron Collider First Observation of Vector Boson Pairs in a Hadronic Final State at the Tevatron Collider

2009-05-28

arxiv.org/abs/0905.4714v1

Phys.Rev.Lett.103:091803,2009

Physics

High Energy Physics

High Energy Physics - Experiment

Submitted to PRL

Scientific paper

10.1103/PhysRevLett.103.091803

We present the first observation in hadronic collisions of the electroweak production of vector boson pairs (VV, V=W,Z) where one boson decays to a dijet final state . The data correspond to 3.5 inverse femtobarns of integrated luminosity of ppbar collisions at sqrt(s)=1.96 TeV collected by the CDFII detector at the Fermilab Tevatron. We observe 1516+/-239(stat)+/-144(syst) diboson candidate events and measure a cross section sigma(ppbar->VV+X) of 18.0+/-2.8(stat)+/-2.4(syst)+/-1.1(lumi) pb, in agreement with the expectations of the standard model.

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