Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.13091/4614
Title: | Search for CP violation using t (t)over-bar events in the lepton plus jets channel in pp collisions at root s=13 TeV | Authors: | Tumasyan, A. Adam, W. Andrejkovic, J. W. Bergauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. |
Keywords: | CP Violation Hadron-Hadron Scattering Top Physics |
Publisher: | Springer | Abstract: | Results are presented on a search for CP violation in the production and decay of top quark-antiquark pairs in the lepton+jets channel. The search is based on data from proton-proton collisions at root s = 13TeV, collected with the CMS detector, corresponding to an integrated luminosity of 138 fb(-1). Possible CP violation effects are evaluated by measuring asymmetries in observables constructed from linearly independent four-momentum vectors of the final-state particles. The dimensionless chromoelectric dipole moment of the top quark obtained from the observed asymmetries is measured to be 0.04 +/- 0.10 (stat)+/- 0.07(syst), and the asymmetries exhibit no evidence for CP-violating effects, consistent with expectations from the standard model. | URI: | https://doi.org/10.1007/JHEP06(2023)081 https://hdl.handle.net/20.500.13091/4614 |
ISSN: | 1029-8479 |
Appears in Collections: | Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections |
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File | Size | Format | |
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JHEP06(2023)081.pdf | 1.25 MB | Adobe PDF | View/Open |
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