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Search for CP violating top quark couplings in pp collisions at √s = 13 TeV

Journal articles  - Journal Article
Tumasyan, A; Adam, W; Bergauer, T; Dragicevic, M; Escalante Del Valle, A; Frühwirth, R; Jeitler, M; Krammer, N; Lechner, L; Liko, D; Mikulec, I ...
Published in: Journal of High Energy Physics
July 1, 2023
Published version (DOI)

Results are presented from a search for CP violation in top quark pair production, using proton-proton collisions at a center-of-mass energy of 13 TeV. The data used for this analysis consist of final states with two charged leptons collected by the CMS experiment, and correspond to an integrated luminosity of 35.9 fb−1. The search uses two observables, O1 and O3, which are Lorentz scalars. The observable O1 is constructed from the four-momenta of the charged leptons and the reconstructed top quarks, while O3 consists of the four-momenta of the charged leptons and the b quarks originating from the top quarks. Asymmetries in these observables are sensitive to CP violation, and their measurement is used to determine the chromoelectric dipole moment of the top quark. The results are consistent with the expectation from the standard model. [Figure not available: see fulltext.].

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Seog Oh
Author Seog Oh Physics
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Published In

Journal of High Energy Physics

DOI

10.1007/JHEP07(2023)023

EISSN

1029-8479

Publication Date

July 1, 2023

Volume

2023

Issue

7

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 4902 Mathematical physics
 

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Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Escalante Del Valle, A., Frühwirth, R., … Chinellato, J. (2023). Search for CP violating top quark couplings in pp collisions at √s = 13 TeV. Journal of High Energy Physics, 2023(7). https://doi.org/10.1007/JHEP07(2023)023
Tumasyan, A., W. Adam, T. Bergauer, M. Dragicevic, A. Escalante Del Valle, R. Frühwirth, M. Jeitler, et al. “Search for CP violating top quark couplings in pp collisions at √s = 13 TeV.” Journal of High Energy Physics 2023, no. 7 (July 1, 2023). https://doi.org/10.1007/JHEP07(2023)023.
Tumasyan A, Adam W, Bergauer T, Dragicevic M, Escalante Del Valle A, Frühwirth R, et al. Search for CP violating top quark couplings in pp collisions at √s = 13 TeV. Journal of High Energy Physics. 2023 Jul 1;2023(7).
Tumasyan, A., et al. “Search for CP violating top quark couplings in pp collisions at √s = 13 TeV.” Journal of High Energy Physics, vol. 2023, no. 7, July 2023. Scopus, doi:10.1007/JHEP07(2023)023.
Tumasyan A, Adam W, Bergauer T, Dragicevic M, Escalante Del Valle A, Frühwirth R, Jeitler M, Krammer N, Lechner L, Liko D, Mikulec I, Pitters FM, Schieck J, Schöfbeck R, Spanring M, Templ S, Waltenberger W, Wulz CE, Zarucki M, Darwish MR, De Wolf EA, Janssen T, Kello T, Lelek A, Pieters M, Rejeb Sfar H, Van Mechelen P, Van Putte S, Van Remortel N, Blekman F, Bols ES, D’hondt J, De Clercq J, Lontkovskyi D, Lowette S, Marchesini I, Moortgat S, Morton A, Müller D, Sahasransu AR, Tavernier S, Van Doninck W, Van Mulders P, Beghin D, Bilin B, Clerbaux B, De Lentdecker G, Dorney B, Favart L, Grebenyuk A, Kalsi AK, Lee K, Makarenko I, Moureaux L, Pétré L, Popov A, Postiau N, Starling E, Thomas L, Vander Velde C, Vanlaer P, Vannerom D, Wezenbeek L, Cornelis T, Dobur D, Gruchala M, Khvastunov I, Mestdach G, Niedziela M, Roskas C, Skovpen K, Tytgat M, Verbeke W, Vermassen B, Vit M, Bethani A, Bruno G, Bury F, Caputo C, David P, Delaere C, Delcourt M, Donertas IS, Giammanco A, Lemaitre V, Mondal K, Prisciandaro J, Taliercio A, Teklishyn M, Vischia P, Wertz S, Wuyckens S, Alves GA, Hensel C, Moraes A, Aldá Júnior WL, Belchior Batista Das Chagas E, Brandao Malbouisson H, Carvalho W, Chinellato J. Search for CP violating top quark couplings in pp collisions at √s = 13 TeV. Journal of High Energy Physics. 2023 Jul 1;2023(7).
Journal cover image

Published In

Journal of High Energy Physics

DOI

10.1007/JHEP07(2023)023

EISSN

1029-8479

Publication Date

July 1, 2023

Volume

2023

Issue

7

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 4902 Mathematical physics