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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 $\sqrt{s} = 8\,\text{TeV}$ - Zurich Open Repository and Archive


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.

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.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2017
Deposited On:07 Jun 2017 10:32
Last Modified:06 Aug 2017 01:24
Publisher:Springer
ISSN:1434-6044
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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