Search for new physics in top quark production with additional leptons in proton-proton collisions at √s = 13 TeV using effective field theory
Аутори
Sirunyan, A. M.Tumasyan, A.
Adam, W.
Bergauer, T.
Dragicevic, M.
Adžić, Petar
Đorđević, Miloš
Milenović, Predrag
Milošević, Jovan
Остала ауторства
CMS CollaborationЧланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Events containing one or more top quarks produced with additional prompt leptons are used to search for new physics within the framework of an effective field theory (EFT). The data correspond to an integrated luminosity of 41.5 fb −1 of proton-proton collisions at a center-of-mass energy of 13 TeV at the LHC, collected by the CMS experiment in 2017. The selected events are required to have either two leptons with the same charge or more than two leptons; jets, including identified bottom quark jets, are also required, and the selected events are divided into categories based on the multiplicities of these objects. Sixteen dimension-six operators that can affect processes involving top quarks produced with additional charged leptons are considered in this analysis. Constructed to target EFT effects directly, the analysis applies a novel approach in which the observed yields are parameterized in terms of the Wilson coefficients (WCs) of the EFT operators. A simultaneous fit of the 16 WC...s to the data is performed and two standard deviation confidence intervals for the WCs are extracted; the standard model expectations for the WC values are within these intervals for all of the WCs probed.
Извор:
Journal of High Energy Physics, 2021, 2021, 3, 95-Напомена:
- CMS Collaboration (ukupan broj autora: 2333)
DOI: 10.1007/JHEP03(2021)095
ISSN: 1029-8479
WoS: 000628216000001
Scopus: 2-s2.0-85102423402
Колекције
Институција/група
VinčaTY - JOUR AU - Sirunyan, A. M. AU - Tumasyan, A. AU - Adam, W. AU - Bergauer, T. AU - Dragicevic, M. AU - Adžić, Petar AU - Đorđević, Miloš AU - Milenović, Predrag AU - Milošević, Jovan PY - 2021 UR - https://vinar.vin.bg.ac.rs/handle/123456789/9146 AB - Events containing one or more top quarks produced with additional prompt leptons are used to search for new physics within the framework of an effective field theory (EFT). The data correspond to an integrated luminosity of 41.5 fb −1 of proton-proton collisions at a center-of-mass energy of 13 TeV at the LHC, collected by the CMS experiment in 2017. The selected events are required to have either two leptons with the same charge or more than two leptons; jets, including identified bottom quark jets, are also required, and the selected events are divided into categories based on the multiplicities of these objects. Sixteen dimension-six operators that can affect processes involving top quarks produced with additional charged leptons are considered in this analysis. Constructed to target EFT effects directly, the analysis applies a novel approach in which the observed yields are parameterized in terms of the Wilson coefficients (WCs) of the EFT operators. A simultaneous fit of the 16 WCs to the data is performed and two standard deviation confidence intervals for the WCs are extracted; the standard model expectations for the WC values are within these intervals for all of the WCs probed. T2 - Journal of High Energy Physics T1 - Search for new physics in top quark production with additional leptons in proton-proton collisions at √s = 13 TeV using effective field theory VL - 2021 IS - 3 SP - 95 DO - 10.1007/JHEP03(2021)095 ER -
@article{ author = "Sirunyan, A. M. and Tumasyan, A. and Adam, W. and Bergauer, T. and Dragicevic, M. and Adžić, Petar and Đorđević, Miloš and Milenović, Predrag and Milošević, Jovan", year = "2021", abstract = "Events containing one or more top quarks produced with additional prompt leptons are used to search for new physics within the framework of an effective field theory (EFT). The data correspond to an integrated luminosity of 41.5 fb −1 of proton-proton collisions at a center-of-mass energy of 13 TeV at the LHC, collected by the CMS experiment in 2017. The selected events are required to have either two leptons with the same charge or more than two leptons; jets, including identified bottom quark jets, are also required, and the selected events are divided into categories based on the multiplicities of these objects. Sixteen dimension-six operators that can affect processes involving top quarks produced with additional charged leptons are considered in this analysis. Constructed to target EFT effects directly, the analysis applies a novel approach in which the observed yields are parameterized in terms of the Wilson coefficients (WCs) of the EFT operators. A simultaneous fit of the 16 WCs to the data is performed and two standard deviation confidence intervals for the WCs are extracted; the standard model expectations for the WC values are within these intervals for all of the WCs probed.", journal = "Journal of High Energy Physics", title = "Search for new physics in top quark production with additional leptons in proton-proton collisions at √s = 13 TeV using effective field theory", volume = "2021", number = "3", pages = "95", doi = "10.1007/JHEP03(2021)095" }
Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Adžić, P., Đorđević, M., Milenović, P.,& Milošević, J.. (2021). Search for new physics in top quark production with additional leptons in proton-proton collisions at √s = 13 TeV using effective field theory. in Journal of High Energy Physics, 2021(3), 95. https://doi.org/10.1007/JHEP03(2021)095
Sirunyan AM, Tumasyan A, Adam W, Bergauer T, Dragicevic M, Adžić P, Đorđević M, Milenović P, Milošević J. Search for new physics in top quark production with additional leptons in proton-proton collisions at √s = 13 TeV using effective field theory. in Journal of High Energy Physics. 2021;2021(3):95. doi:10.1007/JHEP03(2021)095 .
Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Adžić, Petar, Đorđević, Miloš, Milenović, Predrag, Milošević, Jovan, "Search for new physics in top quark production with additional leptons in proton-proton collisions at √s = 13 TeV using effective field theory" in Journal of High Energy Physics, 2021, no. 3 (2021):95, https://doi.org/10.1007/JHEP03(2021)095 . .