Abazov, V. M. ; Mondal, N. K. ; et., al (2011) Measurement of the WZ→lνll cross section and limits on anomalous triple gauge couplings in pp‾ collisions at √s=1.96 TeV Physics Letters B, 695 (1-4). pp. 67-73. ISSN 0370-2693
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.physletb.2010.10.047
Abstract
We present a new measurement of the WZ→lνll (l=e,μ) cross section and limits on anomalous triple gauge couplings. Using 4.1 fb-1 of integrated luminosity of pp‾ collisions at √s=1.96 TeV , we observe 34 WZ candidate events with an estimated background of 6.0± 0.4 events. We measure the WZ production cross section to be 3.89+1.07-0.90 pb, in good agreement with the standard model prediction. We find no evidence for anomalous WWZ couplings and set 95% C.L. limits on the coupling parameters, -0.077< λZ< 0.093 and -0.029< Δ kZ< 0.080 in the HISZ parameterization for a Λ=2 TeV form factor scale. These are the best limits to date obtained from the direct measurement of the WWZ vertex.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Diboson Production; W and Z Bosons; Cross Section; Anomalous Triple Gauge Couplings; Tevatron; D0 |
| ID Code: | 66951 |
| Deposited On: | 27 Oct 2011 11:40 |
| Last Modified: | 27 Oct 2011 11:40 |
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