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Measurement of the WW + WZ Production Cross Section Using the lepton + jets Final State at CDF II

CollaborationWith : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Lister, Alison / Wu, Xin
Published in Physical Review Letters. 2010, vol. 104, no. 10, p. 101801
Abstract We report two complementary measurements of the WW+WZ cross section in the final state consisting of an electron or muon, missing transverse energy, and jets, performed using pp collision data at s√=1.96  TeV collected by the CDF II detector. The first method uses the dijet invariant mass distribution while the second more sensitive method uses matrix-element calculations. The result from the second method has a signal significance of 5.4σ and is the first observation of WW+WZ production using this signature. Combining the results gives σWW+WZ=16.0±3.3  pb, in agreement with the standard model prediction.
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CDF COLLABORATION. Measurement of the WW + WZ Production Cross Section Using the lepton + jets Final State at CDF II. In: Physical Review Letters, 2010, vol. 104, n° 10, p. 101801. https://archive-ouverte.unige.ch/unige:38646

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Deposited on : 2014-07-14

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