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Title
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Search for CP violation using t (t)over-bar events in the lepton plus jets channel in pp collisions at √s=13 TeV
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Author
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Institution/Organisation
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CMS Collaboration
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Abstract
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| 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. |
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Language
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English
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Source (journal)
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Journal of high energy physics. - Bristol
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Publication
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Bristol
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2023
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ISSN
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1126-6708
1029-8479
[online]
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DOI
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10.1007/JHEP06(2023)081
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Volume/pages
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6
(2023)
, p. 1-47
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Article Reference
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81
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ISI
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001035277600001
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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