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Measurement of the WZ and ZZ production cross sections using leptonic final states in 8.6 fb(-1) of p(p)over-bar collisions
Stockholm University, Faculty of Science, Department of Physics.
2012 (English)In: Physical Review D, ISSN 1550-7998, Vol. 85, no 11, 112005- p.Article in journal (Refereed) Published
Abstract [en]

We study the processes p (p) over bar -> WZ -> l(+) vl(+) l(-) and p (p) over bar -> ZZ -> l(+) l(-) v (v) over bar, where l = e or mu. Using 8: 6 fb(-1) of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron collider, we measure the WZ production cross section to be 4.50(-0.66)(+0.63) pb which is consistent with, but slightly larger than, the prediction of the standard model. The ZZ cross section is measured to be 1: 64 +/- 0: 46 pb, in agreement with a prediction of the standard model. Combination with an earlier analysis of the ZZ -> l(+) l(-) l(+) l(-) channel yields a ZZ cross section of 1.44(-0.34)(+0.35) pb.

Place, publisher, year, edition, pages
2012. Vol. 85, no 11, 112005- p.
National Category
Astronomy, Astrophysics and Cosmology
URN: urn:nbn:se:su:diva-80003DOI: 10.1103/PhysRevD.85.112005ISI: 000305115200001OAI: diva2:555291


Available from: 2012-09-19 Created: 2012-09-12 Last updated: 2012-11-28Bibliographically approved

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