Measurement of the WW plus WZ production cross section using a matrix element technique in lepton plus jets events
Author(s)Bauer, Gerry P.; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Makhoul, Khaldoun; Paus, Christoph M. E.
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We present a measurement of the WW+WZ production cross section observed in a final state consisting of an identified electron or muon, two jets, and missing transverse energy. The measurement is carried out in a data sample corresponding to up to 4.6 fb-1 [fb superscript -1] of integrated luminosity at √s=1.96 [square root s = 1.96] TeV collected by the CDF II detector. Matrix element calculations are used to separate the diboson signal from the large backgrounds. The WW+WZ cross section is measured to be 17.4±3.3 pb in agreement with standard model predictions. A fit to the dijet invariant mass spectrum yields a compatible cross section measurement.
DepartmentMassachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Physical review D
American Physical Society
Aaltonen, T. et al. “Measurement of the WW+WZ Production Cross Section Using a Matrix Element Technique in Lepton+jets Events.” Physical Review D 82.11 (2010) : n. pag. © 2010 The American Physical Society
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