Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.13091/4847
Title: | Measurement of the top quark pole mass using t(t)over-bar+jet events in the dilepton final state in proton-proton collisions at √s=13 TeV | Authors: | Tumasyan, A. Adam, W. Andrejkovic, J. W. Bergauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Gürpınar Güler, Emine Güler, Yalçın |
Keywords: | Hadron-Hadron Scattering Top Physics Pair Production |
Publisher: | Springer | Abstract: | A measurement of the top quark pole mass m(t)(pole) in events where a top quarkantiquark pair (t (t) over bar) is produced in association with at least one additional jet ( t (t) over bar +jet) is presented. This analysis is performed using proton-proton collision data at root s = 13TeV collected by the CMS experiment at the CERN LHC, corresponding to a total integrated luminosity of 36.3 fb(-1). Events with two opposite-sign leptons in the final state (e(+) e(-), mu(+) mu(-), e(+/-) mu(-/+)) are analyzed. The reconstruction of the main observable and the event classification are optimized using multivariate analysis techniques based on machine learning. The production cross section is measured as a function of the inverse of the invariant mass of the t t +jet system at the parton level using a maximum likelihood unfolding. Given a reference parton distribution function (PDF), the top quark pole mass is extracted using the theoretical predictions at next-to-leading order. For the ABMP16NLO PDF, this results in m(t)(pole) = 172.93 +/- 1.36 GeV. | URI: | https://doi.org/10.1007/JHEP07(2023)077 https://hdl.handle.net/20.500.13091/4847 |
ISSN: | 1029-8479 |
Appears in Collections: | Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections |
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