Measurement of tt‾ production in association with additional b-jets in the eμ final state in proton–proton collisions at √s= 13 TeV with the ATLAS detector

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F25%3A00618672" target="_blank" >RIV/68378271:_____/25:00618672 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21220/25:00388182 RIV/68407700:21240/25:00388182 RIV/68407700:21340/25:00388182 RIV/68407700:21670/25:00388182 RIV/00216208:11320/25:10510646

Výsledek na webu

<a href="https://hdl.handle.net/11104/0365501" target="_blank" >https://hdl.handle.net/11104/0365501</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/JHEP01(2025)068" target="_blank" >10.1007/JHEP01(2025)068</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Measurement of tt‾ production in association with additional b-jets in the eμ final state in proton–proton collisions at √s= 13 TeV with the ATLAS detector

Popis výsledku v původním jazyce

This paper presents measurements of top-antitop quark pair (tt‾tt) production in association with additional b-jets. The analysis utilises 140 fb−1 of proton–proton collision data collected with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 13 TeV. Fiducial cross-sections are extracted in a final state featuring one electron and one muon, with at least three or four b-jets. Results are presented at the particle level for both integrated cross-sections and normalised differential cross-sections, as functions of global event properties, jet kinematics, and b-jet pair properties. Observable quantities characterising b-jets originating from the top quark decay and additional b-jets are also measured at the particle level, after correcting for detector effects. The measured integrated fiducial cross-sections are consistent with tt‾bb‾ predictions from various next-to-leading-order matrix element calculations matched to a parton shower within the uncertainties of the predictions.

Název v anglickém jazyce

Measurement of tt‾ production in association with additional b-jets in the eμ final state in proton–proton collisions at √s= 13 TeV with the ATLAS detector

Popis výsledku anglicky

This paper presents measurements of top-antitop quark pair (tt‾tt) production in association with additional b-jets. The analysis utilises 140 fb−1 of proton–proton collision data collected with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 13 TeV. Fiducial cross-sections are extracted in a final state featuring one electron and one muon, with at least three or four b-jets. Results are presented at the particle level for both integrated cross-sections and normalised differential cross-sections, as functions of global event properties, jet kinematics, and b-jet pair properties. Observable quantities characterising b-jets originating from the top quark decay and additional b-jets are also measured at the particle level, after correcting for detector effects. The measured integrated fiducial cross-sections are consistent with tt‾bb‾ predictions from various next-to-leading-order matrix element calculations matched to a parton shower within the uncertainties of the predictions.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

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

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

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

2025

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

76

Strana od-do

068

Kód UT WoS článku

001412165700001

EID výsledku v databázi Scopus

2-s2.0-105011725304