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Measurement of WZ and ZZ production in pp collisions at s√ = 8 TeV in final states with b-tagged jets

Author(s)
CMS Collaboration; Apyan, Aram; Barbieri, Richard Alexander; Busza, Wit; Cali, Ivan Amos; Chan, M.; Di Matteo, Leonardo; Dutta, Valentina; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Gulhan, Doga Can; Klute, Markus; Lai, Yue Shi; Lee, Yen-Jie; Paus, Christoph M. E.; Ralph, Duncan Kelley; Stephans, George S. F.; Stoeckli, Fabian; Velicanu, Dragos Alexandru; Wyslouch, Boleslaw; Zanetti, Marco; Sumorok, Konstanty C; Yang, Mingming; Yoon, A. S.; Wyslouch, Victoria; Bauer, Gerry P; Levin, Andrew Michael; Luckey Jr, P David; Ma, Teng; Roland, Christof E; Roland, Gunther M; ... Show more Show less
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Abstract
Measurements are reported of the WZ and ZZ production cross sections in proton-proton collisions at 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 νν¯ ). 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.
Date issued
2014-08
URI
http://hdl.handle.net/1721.1/91169
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
European Physical Journal C: Particles and Fields
Publisher
Springer-Verlag Berlin Heidelberg
Citation
Chatrchyan, S., V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, et al. “Measurement of WZ and ZZ Production in Pp Collisions at √s = 8 TeV in Final States with b-Tagged Jets.” Eur. Phys. J. C 74, no. 8 (August 2014).
Version: Final published version
ISSN
1434-6044
1434-6052

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