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Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC

Measurements and searches performed with the ATLAS detector at the CERN LHC often involve signatures with one or more prompt leptons. Such analyses are subject to `fake/non-prompt' lepton backgrounds, where either a hadron or a lepton from a hadron decay or an electron from a photon conversion...

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Autori principali: Aad, Georges (Autore) , Baltes, Lisa Marie (Autore) , Bartels, Falk (Autore) , Castillo, Florencia Luciana (Autore) , Czurylo, Marta (Autore) , Dittmeier, Sebastian (Autore) , Dunford, Monica (Autore) , Franchino, Silvia (Autore) , Junkermann, Thomas (Autore) , Klassen, Martin (Autore) , Mkrtchyan, Tigran (Autore) , Ott, Philipp (Autore) , Rassloff, Damir Fabrice (Autore) , Rodriguez Bosca, Sergi (Autore) , Sauer, Christof (Autore) , Schöning, André (Autore) , Schultz-Coulon, Hans-Christian (Autore) , Sothilingam, Varsiha (Autore) , Stamen, Rainer (Autore) , Starovoitov, Pavel (Autore) , Vigani, Luigi (Autore) , Weber, Sebastian (Autore) , Wessels, Martin (Autore) , Zinßer, Joachim (Autore)
Ente Autore: ATLAS Collaboration (Autore)
Natura: Article (Journal)
Lingua:inglese
Pubblicazione: 30 November 2023
In: Journal of Instrumentation
Year: 2023, Volume: 18, Fascicolo: 11, Pages: 1-61
ISSN:1748-0221
DOI:10.1088/1748-0221/18/11/T11004
Accesso online:Verlag, kostenfrei, Volltext: https://doi.org/10.1088/1748-0221/18/11/T11004
Verlag, kostenfrei, Volltext: https://dx.doi.org/10.1088/1748-0221/18/11/T11004
Testo
Note sull'autore:The ATLAS collaboration*
Descrizione
Riassunto:Measurements and searches performed with the ATLAS detector at the CERN LHC often involve signatures with one or more prompt leptons. Such analyses are subject to `fake/non-prompt' lepton backgrounds, where either a hadron or a lepton from a hadron decay or an electron from a photon conversion satisfies the prompt-lepton selection criteria. These backgrounds often arise within a hadronic jet because of particle decays in the showering process, particle misidentification or particle interactions with the detector material. As it is challenging to model these processes with high accuracy in simulation, their estimation typically uses data-driven methods. Three methods for carrying out this estimation are described, along with their implementation in ATLAS and their performance.
Descrizione del documento:Veröffentlicht: 30. November 2023
*The ATLAS collaboration: G. Aad, L.M. Baltes, F. Bartels, F.L. Castillo, M.M. Czurylo, M. Dunford, S. Franchino, T. Junkermann, M. Klassen, T. Mkrtchyan, P.S. Ott, D.F. Rassloff, S. Rodriguez Bosca, C. Sauer, A. Schoening, H-C. Schultz-Coulon, V. Sothilingam, R. Stamen, P. Starovoitov, L. Vigani, S.M. Weber, M. Wessels, J. Zinsser [und 2910 weitere Personen]
Gesehen am 16.05.2024
Descrizione fisica:Online Resource
ISSN:1748-0221
DOI:10.1088/1748-0221/18/11/T11004

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