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

Authors:CDF Collaboration
Cabrera, Susana
Cuenca Almenar, Cristóbal
Álvarez González, B.
Casal, Bruno
Cuevas, Javier
Gómez, G.
Rodrigo, Teresa
Ruiz, Alberto
Scodellaro, Luca
Vila, Iván
Vilar, Rocío
Aaltonen, T.
Issue Date:28-Aug-2009
Publisher:American Physical Society
Citation:Physical Review Letters 103 (9): 091803 (2009)
Abstract: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 fb(-1) of integrated luminosity of pp collisions at s=1.96 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(pp -> VV+X) of 18.0 +/- 2.8(stat)+/- 2.4(syst)+/- 1.1(lumi) pb, in agreement with the expectations of the standard model.
Publisher version (URL):http://dx.doi.org/ 10.1103/PhysRevLett.103.091803
URI:http://hdl.handle.net/10261/22221
ISSN:0031-9007
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Appears in Collections:(IFIC) Artículos

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