Search for ZZ and ZW Production in ppbar Collisions at sqrt(s) = 1.96 TeV

Details Search for ZZ and ZW Production in ppbar Collisions at sqrt(s) = 1.96 TeV Search for ZZ and ZW Production in ppbar Collisions at sqrt(s) = 1.96 TeV

2005-01-10

arxiv.org/abs/hep-ex/0501021v2

Phys.Rev.D71:091105,2005

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 2 figures. This version is accepted for publication by Phys. Rev. D Rapid Communications

Scientific paper

10.1103/PhysRevD.71.091105

We present a search for ZZ and ZW vector boson pair production in ppbar collisions at sqrt(s) = 1.96 TeV using the leptonic decay channels ZZ --> ll nu nu, ZZ --> l l l' l' and ZW --> l l l' nu. In a data sample corresponding to an integrated luminosity of 194 pb-1 collected with the Collider Detector at Fermilab, 3 candidate events are found with an expected background of 1.0 +/- 0.2 events. We set a 95% confidence level upper limit of 15.2 pb on the cross section for ZZ plus ZW production, compared to the standard model prediction of 5.0 +/- 0.4 pb.

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