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Measurement of WZ and ZZ production in $pp$ collisions at $\sqrt{s}$=8 TeV in final states with b-tagged jets


CMS Collaboration; Canelli, M F; Chiochia, V; Kilminster, B; Robmann, P; et al (2014). Measurement of WZ and ZZ production in $pp$ collisions at $\sqrt{s}$=8 TeV in final states with b-tagged jets. European Physical Journal C - Particles and Fields, 74:2973.

Abstract

Measurements are reported of the WZ and ZZ production cross sections in proton-proton collisions at $\sqrt{s}$=8 TeV in final states where one Z boson decays to b-tagged jets. The other gauge boson, either W or Z, is detected through its leptonic decay (either W→eν , μν or Z→$e^{+}e^{-}$ , $μ^{+}μ^{-}$, or $v\bar{v}$). The results are based on data corresponding to an integrated luminosity of 18.9 fb−1 collected with the CMS detector at the Large Hadron Collider. The measured cross sections, σ(pp→WZ)=30.7±9.3(stat.)±7.1(syst.)±4.1(th.)±1.0(lum.)pb and σ(pp→ZZ)=6.5±1.7(stat.)±1.0(syst.)±0.9(th.)±0.2(lum.)pb , are consistent with next-to-leading order quantum chromodynamics calculations.

Abstract

Measurements are reported of the WZ and ZZ production cross sections in proton-proton collisions at $\sqrt{s}$=8 TeV in final states where one Z boson decays to b-tagged jets. The other gauge boson, either W or Z, is detected through its leptonic decay (either W→eν , μν or Z→$e^{+}e^{-}$ , $μ^{+}μ^{-}$, or $v\bar{v}$). The results are based on data corresponding to an integrated luminosity of 18.9 fb−1 collected with the CMS detector at the Large Hadron Collider. The measured cross sections, σ(pp→WZ)=30.7±9.3(stat.)±7.1(syst.)±4.1(th.)±1.0(lum.)pb and σ(pp→ZZ)=6.5±1.7(stat.)±1.0(syst.)±0.9(th.)±0.2(lum.)pb , are consistent with next-to-leading order quantum chromodynamics calculations.

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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Date:2014
Deposited On:24 Feb 2015 14:28
Last Modified:08 Dec 2017 11:54
Publisher:Springer
ISSN:1434-6044
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1140/epjc/s10052-014-2973-5

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