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

  • Tumasyan, A.
  • Adam, W.
  • Bergauer, T.
  • Dragicevic, M.
  • Escalante Del Valle, A.
  • ... Kim, T.J.
  • 외 1,177명
Citations

WEB OF SCIENCE

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Citations

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4

초록

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.

키워드

CP ViolationHadron-Hadron ScatteringTop PhysicsBARYON ASYMMETRYPAIR
제목
Search for CP violating top quark couplings in pp collisions at √s = 13 TeV
저자
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, F.M.Schieck, J.Schöfbeck, R.Spanring, M.Templ, S.Waltenberger, W.Wulz, C.-E.Zarucki, M.Darwish, M.R.De Wolf, E.A.Janssen, T.Kello, T.Lelek, A.Pieters, M.Rejeb Sfar, H.Van Mechelen, P.Van Putte, S.Van Remortel, N.Blekman, F.Bols, E.S.D’Hondt, J.De Clercq, J.Lontkovskyi, D.Lowette, S.Marchesini, I.Moortgat, S.Morton, A.Müller, D.Sahasransu, A.R.Tavernier, S.Van Doninck, W.Van Mulders, P.Beghin, D.Bilin, B.Clerbaux, B.De Lentdecker, G.Dorney, B.Favart, L.Grebenyuk, A.Kalsi, A.K.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, I.S.Giammanco, A.Lemaitre, 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DOI
10.1007/JHEP07(2023)023
발행일
2023-07
유형
Article
저널명
Journal of High Energy Physics
2023
7
페이지
1 ~ 45

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