Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8495
Title: Search for new physics in top quark production in dilepton final states in proton-proton collisions at root s=13 TeV
Authors: Karapınar, Güler
CMS Collaboration
Issue Date: 2019
Publisher: Springer Verlag
Abstract: A search for new physics in top quark production is performed in proton-proton collisions at 13 TeV. The data set corresponds to an integrated luminosity of 35.9 fb(-1) collected in 2016 with the CMS detector. Events with two opposite-sign isolated leptons (electrons or muons), and b quark jets in the final state are selected. The search is sensitive to new physics in top quark pair production and in single top quark production in association with a W boson. No significant deviation from the standard model expectation is observed. Results are interpreted in the framework of effective field theory and constraints on the relevant effective couplings are set, one at a time, using a dedicated multivariate analysis. This analysis differs from previous searches for new physics in the top quark sector by explicitly separating tW from t (t) over bar events and exploiting the specific sensitivity of the tW process to new physics.
Description: PubMed: 31764915
URI: https://doi.org/10.1140/epjc/s10052-019-7387-y
https://hdl.handle.net/11147/8495
ISSN: 1434-6044
1434-6052
Appears in Collections:PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Rectorate / Rektörlük
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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