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@INPROCEEDINGS{VenturaBarroso:582220,
author = {Ventura Barroso, Ana and Wuchterl, Sebastian and Lipka,
Katerina and Kogler, Roman},
title = {{M}easurement of the top quark pole mass using $t\bar{t}$
+1 jet events with the {CMS} experiment},
reportid = {PUBDB-2023-01870},
year = {2023},
abstract = {The top quark is the most massive elementary particle
known. Its mass,mt, is a fundamental parameter of the
Standard Model, and its value needs to be determined
experimentally. However, direct top quark mass measurements
suffer from ambiguities in their interpretation because of
nonperturbative effects.In this work, the pole mass of the
top quark is extracted from a precise measurement of the
distribution in ρ, in events where the tt system is
produced in association with at least one additional jet.
The variable ρ is defined as the inverse of the invariant
mass of the tt+jet system. This observable has been chosen
due to strongest sensitivity to mt at the threshold of the
tt+jet production. The analysis is performed using
proton-proton collision data collected by the CMS experiment
in 2016-2018 with √s=13 TeV, corresponding to a total
integrated luminosity of 138 fb−1. Events with two
opposite-sign leptons in the final state are analyzed and
the cross section is measured at the parton level using a
likelihood unfolding method.},
month = {Mar},
date = {2023-03-20},
organization = {86th Annual Conference of the DPG and
DPG Spring Meeting, Dresden (Germany),
20 Mar 2023 - 24 Mar 2023},
cin = {CMS},
cid = {I:(DE-H253)CMS-20120731},
pnm = {611 - Fundamental Particles and Forces (POF4-611)},
pid = {G:(DE-HGF)POF4-611},
experiment = {EXP:(DE-H253)LHC-Exp-CMS-20150101},
typ = {PUB:(DE-HGF)6},
url = {https://bib-pubdb1.desy.de/record/582220},
}