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Search for physics beyond the standard model in top quark production with additional leptons in the context of effective field theory

Journal articles  - Journal Article
Hayrapetyan, A; Tumasyan, A; Adam, W; Andrejkovic, JW; Bergauer, T; Chatterjee, S; Damanakis, K; Dragicevic, M; Escalante Del Valle, A; Liko, D ...
Published in: Journal of High Energy Physics
December 1, 2023

A search for new physics in top quark production with additional final-state leptons is performed using data collected by the CMS experiment in proton-proton collisions at s = 13 TeV at the LHC during 2016–2018. The data set corresponds to an integrated luminosity of 138 fb−1. Using the framework of effective field theory (EFT), potential new physics effects are parametrized in terms of 26 dimension-six EFT operators. The impacts of EFT operators are incorporated through the event-level reweighting of Monte Carlo simulations, which allows for detector-level predictions. The events are divided into several categories based on lepton multiplicity, total lepton charge, jet multiplicity, and b-tagged jet multiplicity. Kinematic variables corresponding to the transverse momentum (pT) of the leading pair of leptons and/or jets as well as the pT of on-shell Z bosons are used to extract the 95% confidence intervals of the 26 Wilson coefficients corresponding to these EFT operators. No significant deviation with respect to the standard model prediction is found.

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Published In

Journal of High Energy Physics

DOI

EISSN

1029-8479

Publication Date

December 1, 2023

Volume

2023

Issue

12

Related Subject Headings

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

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Hayrapetyan, A., Tumasyan, A., Adam, W., Andrejkovic, J. W., Bergauer, T., Chatterjee, S., … Mundim, L. (2023). Search for physics beyond the standard model in top quark production with additional leptons in the context of effective field theory. Journal of High Energy Physics, 2023(12). https://doi.org/10.1007/JHEP12(2023)068
Hayrapetyan, A., A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, K. Damanakis, et al. “Search for physics beyond the standard model in top quark production with additional leptons in the context of effective field theory.” Journal of High Energy Physics 2023, no. 12 (December 1, 2023). https://doi.org/10.1007/JHEP12(2023)068.
Hayrapetyan A, Tumasyan A, Adam W, Andrejkovic JW, Bergauer T, Chatterjee S, et al. Search for physics beyond the standard model in top quark production with additional leptons in the context of effective field theory. Journal of High Energy Physics. 2023 Dec 1;2023(12).
Hayrapetyan, A., et al. “Search for physics beyond the standard model in top quark production with additional leptons in the context of effective field theory.” Journal of High Energy Physics, vol. 2023, no. 12, Dec. 2023. Scopus, doi:10.1007/JHEP12(2023)068.
Hayrapetyan A, Tumasyan A, Adam W, Andrejkovic JW, Bergauer T, Chatterjee S, Damanakis K, Dragicevic M, Escalante Del Valle A, Hussain PS, Jeitler M, Krammer N, Liko D, Mikulec I, Schieck J, Schöfbeck R, Schwarz D, Sonawane M, Templ S, Waltenberger W, Wulz CE, Darwish MR, Janssen T, Van Mechelen P, Bols ES, D’Hondt J, Dansana S, De Moor A, Delcourt M, El Faham H, Lowette S, Makarenko I, Morton A, Müller D, Sahasransu AR, Tavernier S, Tytgat M, Van Putte S, Vannerom D, Clerbaux B, De Lentdecker G, Favart L, Hohov D, Jaramillo J, Khalilzadeh A, Lee K, Mahdavikhorrami M, Malara A, Paredes S, Pétré L, Postiau N, Thomas L, Vanden Bemden M, Vander Velde C, Vanlaer P, De Coen M, Dobur D, Knolle J, Lambrecht L, Mestdach G, Rendón C, Samalan A, Skovpen K, Van Den Bossche N, Wezenbeek L, Benecke A, Bruno G, Caputo C, Delaere C, Donertas IS, Giammanco A, Jaffel K, Jain S, Lemaitre V, Lidrych J, Mastrapasqua P, Mondal K, Tran TT, Wertz S, Alves GA, Coelho E, Hensel C, Menezes De Oliveira T, Moraes A, Rebello Teles P, Soeiro M, Aldá Júnior WL, Alves Gallo Pereira M, Barroso Ferreira Filho M, Brandao Malbouisson H, Carvalho W, Chinellato J, Da Costa EM, Da Silveira GG, De Jesus Damiao D, Fonseca De Souza S, Martins J, Mora Herrera C, Mota Amarilo K, Mundim L. Search for physics beyond the standard model in top quark production with additional leptons in the context of effective field theory. Journal of High Energy Physics. 2023 Dec 1;2023(12).
Journal cover image

Published In

Journal of High Energy Physics

DOI

EISSN

1029-8479

Publication Date

December 1, 2023

Volume

2023

Issue

12

Related Subject Headings

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