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


Autoria(s): Aaltonen, Timo; Mehtälä, Petteri; Orava, Risto; Mäki, Tuula; Saarikko, Heimo; Österberg, Kenneth; CDF Collaboration
Contribuinte(s)

University of Helsinki, Department of Physics

University of Helsinki, Department of Physics

University of Helsinki, Department of Physics

University of Helsinki, Helsinki Institute of Physics

University of Helsinki, Department of Physics

University of Helsinki, Department of Physics

Data(s)

2009

Resumo

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.

Formato

7

Identificador

http://hdl.handle.net/10138/24453

0031-9007

Idioma(s)

eng

Publicador

American Institute of Physics

Relação

Physical Review Letters

Fonte

Aaltonen , T , Mehtälä , P , Orava , R , Mäki , T , Saarikko , H , Österberg , K & CDF Collaboration 2009 , ' First Observation of Vector Boson Pairs in a Hadronic Final State at the Tevatron Collider ' Physical Review Letters , vol 103 , no. 9 , pp. 091803 . , 10.1103/PhysRevLett.103.091803

Palavras-Chave #hep-ex #114 Physical sciences
Tipo

A1 Refereed journal article

info:eu-repo/semantics/article