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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.2018.02.025No 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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