@Article{ATLASCollaborationAad_etal2020,
author="ATLAS Collaboration (Aad, G. et al
and Alvarez Piqueras, D.
and Aparisi Pozo, J. A.
and Bailey, A. J.
and Cabrera Urban, S.
and Castillo, F. L.
and Castillo Gimenez, V.
and Cerda Alberich, L.
and Costa, M. J.
and Escobar, C.
and Estrada Pastor, O.
and Ferrer, A.
and Fiorini, L.
and Fullana Torregrosa, E.
and Fuster, J.
and Garcia, C.
and Garcia Navarro, J. E.
and Gonzalez de la Hoz, S.
and Gonzalvo Rodriguez, G. R.
and Guerrero Rojas, J. G.
and Higon-Rodriguez, E.
and Lacasta, C.
and Lozano Bahilo, J. J.
and Madaffari, D.
and Mamuzic, J.
and Marti-Garcia, S.
and Mi{\~{n}}ano, M.
and Mitsou, V. A.
and Moreno Llacer, M.
and Rodriguez Bosca, S.
and Rodriguez Rodriguez, D.
and Ruiz-Martinez, A.
and Salt, J.
and Santra, A.
and Soldevila, U.
and Sanchez, J.
and Valero, A.
and Valls Ferrer, J. A.
and Vos, M.",
title="Measurement of the ttbar production cross-section and lepton differential distributions in e mu dilepton events from pp collisions at root s=13 TeV with the ATLAS detector",
journal="European Physical Journal C",
year="2020",
publisher="Springer",
volume="80",
number="6",
pages="528--70pp",
abstract="The inclusive top quark pair (tt<overbar></mml:mover>) production cross-section sigma tt<overbar></mml:mover> has been measured in proton-proton collisions at <mml:msqrt>s</mml:msqrt>=13<mml:mspace width={\textquoteleft}{\textquoteleft}0.166667em{\textquoteright}{\textquoteright}></mml:mspace>TeV, using 36.1 fb-1 of data collected in 2015-2016 by the ATLAS experiment at the LHC. Using events with an opposite-charge e $\mu$pair and b-tagged jets, the cross-section is measured to be: <disp-formula id={\textquoteleft}{\textquoteleft}Equ10{\textquoteright}{\textquoteright}><mml:mtable><mml:mtr><mml:mtd columnalign={\textquoteleft}{\textquoteleft}right{\textquoteright}{\textquoteright}>sigma tt<overbar></mml:mover>=826.4 +/- 3.6<mml:mspace width={\textquoteleft}{\textquoteleft}0.166667em{\textquoteright}{\textquoteright}></mml:mspace>(stat)<mml:mspace width={\textquoteleft}{\textquoteleft}4pt{\textquoteright}{\textquoteright}></mml:mspace>+/- 11.5<mml:mspace width={\textquoteleft}{\textquoteleft}0.166667em{\textquoteright}{\textquoteright}></mml:mspace>(syst)<mml:mspace width={\textquoteleft}{\textquoteleft}4pt{\textquoteright}{\textquoteright}></mml:mspace>+/- 15.7<mml:mspace width={\textquoteleft}{\textquoteleft}0.166667em{\textquoteright}{\textquoteright}></mml:mspace>(lumi)<mml:mspace width={\textquoteleft}{\textquoteleft}4pt{\textquoteright}{\textquoteright}></mml:mspace>+/- 1.9<mml:mspace width={\textquoteleft}{\textquoteleft}0.166667em{\textquoteright}{\textquoteright}></mml:mspace>(beam)<mml:mspace width={\textquoteleft}{\textquoteleft}0.166667em{\textquoteright}{\textquoteright}></mml:mspace>pb,</mml:mtd></mml:mtr></mml:mtable><graphic xmlns:xlink={\textquoteleft}{\textquoteleft}http://www.w3.org/1999/xlink{\textquoteright}{\textquoteright} xlink:href={\textquoteleft}{\textquoteleft}10052{\textit{}2020{}}7907{\textit{}Article{}}Equ10.gif{\textquoteright}{\textquoteright} position={\textquoteleft}{\textquoteleft}anchor{\textquoteright}{\textquoteright}></graphic></disp-formula>where the uncertainties reflect the limited size of the data sample, experimental and theoretical systematic effects, the integrated luminosity, and the LHC beam energy, giving a total uncertainty of 2.4{\%}. The result is consistent with theoretical QCD calculations at next-to-next-to-leading order. It is used to determine the top quark pole mass via the dependence of the predicted cross-section on mtpole, giving mtpole=173.1-2.1+2.0<mml:mspace width={\textquoteleft}{\textquoteleft}0.166667em{\textquoteright}{\textquoteright}></mml:mspace>GeV. It is also combined with measurements at <mml:msqrt>s</mml:msqrt><mml:mo>=7<mml:mspace width={\textquoteleft}{\textquoteleft}0.166667em{\textquoteright}{\textquoteright}></mml:mspace>TeV and <mml:msqrt>s</mml:msqrt><mml:mo>=8<mml:mspace width={\textquoteleft}{\textquoteleft}0.166667em{\textquoteright}{\textquoteright}></mml:mspace>TeV to derive ratios and double ratios of t<mml:mover accent={\textquoteleft}{\textquoteleft}true{\textquoteright}{\textquoteright}>t<mml:mo stretchy={\textquoteleft}{\textquoteleft}false{\textquoteright}{\textquoteright}><overbar></mml:mover> and Z cross-sections at different energies. The same event sample is used to measure absolute and normalised differential cross-sections as functions of single-lepton and dilepton kinematic variables, and the results are compared with predictions from various Monte Carlo event generators.",
optnote="WOS:000546998500003",
optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=4459), last updated on Fri, 24 Jul 2020 09:35:52 +0000",
issn="1434-6044",
doi="10.1140/epjc/s10052-020-7907-9",
opturl="https://arxiv.org/abs/1910.08819",
opturl="https://doi.org/10.1140/epjc/s10052-020-7907-9",
language="English"
}