Measurement of single top-quark production in association with a W boson in the single-lepton channel at $\sqrt{s} = 8\,\text {TeV}$ with the ATLAS detector
2021-08-10 | journal article. A publication with affiliation to the University of Göttingen.
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Measurement of single top-quark production in association with a W boson in the single-lepton channel at $\sqrt{s} = 8\,\text {TeV}$ with the ATLAS detector
Aad, G.; Abbott, B.; Abbott, D. C.; Abud, A. A.; Abeling, K.; Abhayasinghe, D. K. & Abidi, S. H. et al. (2021)
The European Physical Journal C, 81(8) art. 720. DOI: https://doi.org/10.1140/epjc/s10052-021-09371-7
Documents & Media
Details
- Authors Group
- ATLAS Collaboration
The authors list is uncomplete: - Authors
- Aad, G.; Abbott, B.; Abbott, D. C.; Abud, A. A.; Abeling, K.; Abhayasinghe, D. K.; Abidi, S. H.; AbouZeid, O. S.; Abraham, N. L.; Abramowicz, H.; Albert, J.; Anthony, M. T.; Arnold, H.; Balaji, S.; Bauer, F.; Bruno, S.; Cao, T.; Chen, J.; Chen, J.; Chen, S.; Chen, Y.; David, C.; De Castro, S.; Dreyer, T.; Falke, S.; Fournier, D.; Gao, Y.; Gao, Y. S.; George, S.; Grosse-Knetter, J.; Guenther, J.; Han, S.; Harenberg, T.; Heim, S.; Heim, T.; Herrmann, T.; Hu, S.; Jin, S.; Kaplan, L. S.; Keller, J. S.; Kersten, S.; Kluth, S.; Krüger, H.; Kuhl, T.; Lai, S.; Lee, S.; Lehmann, K.; Lehmann, N.; Lenz, T.; Leone, S.; Li, H.; Li, H.; Li, J.; Li, K.; Li, X.; Li, Y.; Liu, B.; Lorenz, J.; Lu, M.; Lutz, M. S.; Martinez, M.; Menke, S.; Meyer, C.; Meyer, J.; Morgenstern, S.; Mueller, J.; Quadt, A.; Rajagopalan, S.; Rave, S.; Roberts, R. T.; Schaefer, L.; Schoening, A.; Schott, M.; Schulte, A.; Sen, S.; Wang, C.; Wang, C.; Wang, H.; Wang, H.; Wang, J.; Wang, J.; Wang, J.; Wang, Y.; Webb, S.; Weber, M. S.; Wilk, F.; Wolff, R.; Xu, T.; Zhang, B.; Zhang, H.; Zhang, J.; Zhang, M.; Zhang, Y.; Zhao, Z.; Zhou, Y.; Zhu, C.
- Abstract
- Abstract The production cross-section of a top quark in association with a W boson is measured using proton–proton collisions at $\sqrt{s} = 8\,\text {TeV}$ s = 8 TeV . The dataset corresponds to an integrated luminosity of $20.2\,\text {fb}^{-1}$ 20.2 fb - 1 , and was collected in 2012 by the ATLAS detector at the Large Hadron Collider at CERN. The analysis is performed in the single-lepton channel. Events are selected by requiring one isolated lepton (electron or muon) and at least three jets. A neural network is trained to separate the tW signal from the dominant $t{\bar{t}}$ t t ¯ background. The cross-section is extracted from a binned profile maximum-likelihood fit to a two-dimensional discriminant built from the neural-network output and the invariant mass of the hadronically decaying W boson. The measured cross-section is $\sigma _{tW} = 26 \pm 7\,\text {pb}$ σ tW = 26 ± 7 pb , in good agreement with the Standard Model expectation.
- Issue Date
- 10-August-2021
- Publisher
- Springer Berlin Heidelberg
- Journal
- The European Physical Journal C
- ISSN
- 1434-6044
- eISSN
- 1434-6052
- Language
- English
