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Measurement of the associated production of a single top quark and a Z boson in pp collisions at s=13TeV

  • Author(s): Sirunyan, AM
  • Tumasyan, A
  • Adam, W
  • Ambrogi, F
  • Asilar, E
  • Bergauer, T
  • Brandstetter, J
  • Brondolin, E
  • Dragicevic, M
  • Erö, J
  • Escalante Del Valle, A
  • Flechl, M
  • Friedl, M
  • Frühwirth, R
  • Ghete, VM
  • Grossmann, J
  • Hrubec, J
  • Jeitler, M
  • König, A
  • Krammer, N
  • Krätschmer, I
  • Liko, D
  • Madlener, T
  • Mikulec, I
  • Pree, E
  • Rad, N
  • Rohringer, H
  • Schieck, J
  • Schöfbeck, R
  • Spanring, M
  • Spitzbart, D
  • Taurok, A
  • Waltenberger, W
  • Wittmann, J
  • Wulz, CE
  • Zarucki, M
  • Chekhovsky, V
  • Mossolov, V
  • Suarez Gonzalez, J
  • De Wolf, EA
  • Di Croce, D
  • Janssen, X
  • Lauwers, J
  • Van De Klundert, M
  • Van Haevermaet, H
  • Van Mechelen, P
  • Van Remortel, N
  • Abu Zeid, S
  • Blekman, F
  • D'Hondt, J
  • De Bruyn, I
  • De Clercq, J
  • Deroover, K
  • Flouris, G
  • Lontkovskyi, D
  • Lowette, S
  • Marchesini, I
  • Moortgat, S
  • Moreels, L
  • Python, Q
  • Skovpen, K
  • Tavernier, S
  • Van Doninck, W
  • Van Mulders, P
  • Van Parijs, I
  • Beghin, D
  • Bilin, B
  • Brun, H
  • Clerbaux, B
  • De Lentdecker, G
  • Delannoy, H
  • Dorney, B
  • Fasanella, G
  • Favart, L
  • Goldouzian, R
  • Grebenyuk, A
  • Kalsi, AK
  • Lenzi, T
  • Luetic, J
  • Maerschalk, T
  • Marinov, A
  • Seva, T
  • Starling, E
  • Vander Velde, C
  • Vanlaer, P
  • Vannerom, D
  • Yonamine, R
  • Zenoni, F
  • Cornelis, T
  • Dobur, D
  • Fagot, A
  • Gul, M
  • Khvastunov, I
  • Poyraz, D
  • Roskas, C
  • Salva, S
  • Trocino, D
  • Tytgat, M
  • Verbeke, W
  • Vit, M
  • et al.

Published Web Location

http://doi.org/10.1016/j.physletb.2018.02.025
No data is associated with this publication.
Abstract

© 2018 The Author A measurement is presented of the associated production of a single top quark and a Z boson. The study uses data from proton–proton collisions at s=13TeV recorded by the CMS experiment, corresponding to an integrated luminosity of 35.9 fb−1. Using final states with three leptons (electrons or muons), the tZq production cross section is measured to be σ(pp→tZq→Wbℓ+ℓ−q)=123−31+33(stat)−23+29(syst)fb, where ℓ stands for electrons, muons, or τ leptons, with observed and expected significances of 3.7 and 3.1 standard deviations, respectively.

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