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Measurement of the WZ production cross section in pp collisions at $\sqrt{s} = 7$ and $8\,\text{TeV}$ and search for anomalous triple gauge couplings at $\sqrt{s} = 8\,\text{TeV}$

Khachatryan, V; Sirunyan, A M; Tumasyan, A; et al; Aarrestad, T K; Amsler, C; Caminada, L; Canelli, M F; De Cosa, A; Galloni, C; Hinzmann, A; Hreus, T; Kilminster, B; Lange, C; Ngadiuba, J; Pinna, D; Rauco, G; Robmann, P; Salerno, D; Yang, Y; et al (2017). Measurement of the WZ production cross section in pp collisions at $\sqrt{s} = 7$ and $8\,\text{TeV}$ and search for anomalous triple gauge couplings at $\sqrt{s} = 8\,\text{TeV}$. European Physical Journal C - Particles and Fields, 77(4):236.

Abstract

The WZ production cross section is measured by the CMS experiment at the CERN LHC in proton–proton collision data samples corresponding to integrated luminosities of 4.9fb−1 collected at √s=7TeV, and 19.6fb−1 at √s=8TeV. The measurements are performed using the fully-leptonic WZ decay modes with electrons and muons in the final state. The measured cross sections for 71<mZ<111GeV are σ(pp→WZ; √s=7TeV)=20.14±1.32(stat)±0.38(theo)±1.06(exp)±0.44(lumi)pb and σ(pp→WZ; √s=8TeV)=24.09±0.87(stat)±0.80(theo)±1.40(exp)±0.63(lumi)pb. Differential cross sections with respect to the Z boson pT, the leading jet pT, and the number of jets are obtained using the √s=8TeV data. The results are consistent with standard model predictions and constraints on anomalous triple gauge couplings are obtained.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:610 Medicine & health
Scopus Subject Areas:Physical Sciences > Engineering (miscellaneous)
Physical Sciences > Physics and Astronomy (miscellaneous)
Language:English
Date:2017
Deposited On:07 Jun 2017 10:32
Last Modified:16 Jun 2025 01:35
Publisher:Springer
ISSN:1434-6044
OA Status:Gold
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1140/epjc/s10052-017-4730-z
PubMed ID:28515665
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