Measurement of differential cross-sections in t(t)over-bar and t(t)over-bar+jets production in the lepton plus jets final state in pp collisions at root s=13 TeV using 140 fb-1 of ATLAS data

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F24%3A00382447" target="_blank" >RIV/68407700:21220/24:00382447 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21240/24:00382447 RIV/68407700:21340/24:00382447 RIV/68407700:21670/24:00382447

Výsledek na webu

<a href="https://doi.org/10.1007/JHEP08(2024)182" target="_blank" >https://doi.org/10.1007/JHEP08(2024)182</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/JHEP08(2024)182" target="_blank" >10.1007/JHEP08(2024)182</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Measurement of differential cross-sections in t(t)over-bar and t(t)over-bar+jets production in the lepton plus jets final state in pp collisions at root s=13 TeV using 140 fb-1 of ATLAS data

Popis výsledku v původním jazyce

Differential cross-sections for top-quark pair production, inclusively and in association with jets, are measured in pp collisions at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 140 fb(-1). The events are selected with one charged lepton (electron or muon) and at least four jets. The differential cross-sections are presented at particle level as functions of several jet observables, including angular correlations, jet transverse momenta and invariant masses of the jets in the final state, which characterise the kinematics and dynamics of the top-antitop system and the hard QCD radiation in the system with associated jets. The typical precision is 5%-15% for the absolute differential cross-sections and 2%-4% for the normalised differential cross-sections. Next-to-leading-order and next-to-next-to-leading-order QCD predictions are found to provide an adequate description of the rate and shape of the jet-angular observables. The description of the transverse momentum and invariant mass observables is improved when next-to-next-to-leading-order QCD corrections are included.

Název v anglickém jazyce

Measurement of differential cross-sections in t(t)over-bar and t(t)over-bar+jets production in the lepton plus jets final state in pp collisions at root s=13 TeV using 140 fb-1 of ATLAS data

Popis výsledku anglicky

Differential cross-sections for top-quark pair production, inclusively and in association with jets, are measured in pp collisions at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 140 fb(-1). The events are selected with one charged lepton (electron or muon) and at least four jets. The differential cross-sections are presented at particle level as functions of several jet observables, including angular correlations, jet transverse momenta and invariant masses of the jets in the final state, which characterise the kinematics and dynamics of the top-antitop system and the hard QCD radiation in the system with associated jets. The typical precision is 5%-15% for the absolute differential cross-sections and 2%-4% for the normalised differential cross-sections. Next-to-leading-order and next-to-next-to-leading-order QCD predictions are found to provide an adequate description of the rate and shape of the jet-angular observables. The description of the transverse momentum and invariant mass observables is improved when next-to-next-to-leading-order QCD corrections are included.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

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OECD FORD obor

10303 - Particles and field physics

Projekt

<a href="/cs/project/EH22_008%2F0004632" target="_blank" >EH22_008/0004632: Výzkum základních stavebních kamenů hmoty s využitím špičkových technologií</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of High Energy Physics

ISSN

1029-8479

e-ISSN

1029-8479

Svazek periodika

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Číslo periodika v rámci svazku

8

Stát vydavatele periodika

IT - Italská republika

Počet stran výsledku

87

Strana od-do

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Kód UT WoS článku

001426552900001

EID výsledku v databázi Scopus

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