We present the first observation in hadronic collisions of
the electroweak production of vector boson pairs (VV, VÿZ) where one
boson decays to a dijet final state. The data correspond to 3.5 fb-1
of integrated luminosity of p anti-p collisions at s**(1/2) ñ.96 TeV
collected by the CDF II detector at the Fermilab Tevatron. We observe
1516 +/- 239(stat) +/- 144(syst) diboson candidate events and measure
a cross section sigma(p anti-p --> VV + X) of 18.0 +/- 2.8(stat)
+/- 2.4(syst) +/- 1.1(lumi) pb,in agreement with the expectation of the
standard model.
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Updated: Tuesday, 2009 September 08 16:01:39 CDT automatically from input from carol picciolo