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Measurement of cross sections for production of a Z boson in association with a flavor-inclusive or doubly b-tagged large-radius jet in proton-proton collisions at √s=13 TeV with the ATLAS experiment

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We present measurements of cross sections for production of a leptonically decaying Z boson in association with a large-radius jet in 13 TeV proton-proton collisions at the LHC, using 36 fb−1 of data from the ATLAS detector. Integrated and differential cross sections are measured at particle level i...

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Hauptverfasser: Aad, Georges (VerfasserIn) , Andrei, George Victor (VerfasserIn) , Bartels, Falk (VerfasserIn) , Bolz, Arthur (VerfasserIn) , Czurylo, Marta (VerfasserIn) , Dittmeier, Sebastian (VerfasserIn) , Dunford, Monica (VerfasserIn) , Franchino, Silvia (VerfasserIn) , Klassen, Martin (VerfasserIn) , Krishnan, Anjali (VerfasserIn) , Mkrtchyan, Tigran (VerfasserIn) , Napolitano, Fabrizio (VerfasserIn) , Ott, Philipp (VerfasserIn) , Rassloff, Damir Fabrice (VerfasserIn) , Schöning, André (VerfasserIn) , Schultz-Coulon, Hans-Christian (VerfasserIn) , Spieker, Thomas (VerfasserIn) , Stamen, Rainer (VerfasserIn) , Starovoitov, Pavel (VerfasserIn) , Vigani, Luigi (VerfasserIn) , Weber, Sebastian (VerfasserIn) , Wessels, Martin (VerfasserIn) , Yue, Xiaoguang (VerfasserIn)
Körperschaft: ATLAS Collaboration (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 1 July 2023
In: Physical review
Year: 2023, Jahrgang: 108, Heft: 1, Pages: 1-32
ISSN:2470-0029
DOI:10.1103/PhysRevD.108.012022
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.108.012022
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.108.012022
Volltext
Verfasserangaben:G. Aad et al. (ATLAS Collaboration)
Beschreibung
Zusammenfassung:We present measurements of cross sections for production of a leptonically decaying Z boson in association with a large-radius jet in 13 TeV proton-proton collisions at the LHC, using 36 fb−1 of data from the ATLAS detector. Integrated and differential cross sections are measured at particle level in both a flavor inclusive and a doubly b-tagged fiducial phase space. The large-radius jet mass and transverse momentum, its kinematic relationship to the Z boson, and the angular separation of b-tagged small-radius track jets within the large-radius jet are measured. This measurement constitutes an important test of perturbative quantum chromodynamics in kinematic and flavor configurations relevant to several Higgs boson and beyond-Standard-Model physics analyses. The results highlight issues with modeling of additional hadronic activity in the flavor-inclusive selection, and a distinction between flavor-number schemes in the b-tagged phase space.
Beschreibung:ATLAS Collaboration: G. Aad, Andrei, F. Bartels, A.E. Bolz, M.M. Czurylo, S.J. Dittmeier, S. Franchino, M. Klassen, A. Krishnan, T. Mkrtchyan, F. Napolitano, P.S. Ott, D.F. Rassloff, A. Schoening, H-C. Schultz-Coulon, T.M. Spieker, R. Stamen, P. Starovoitov, L. Vigani, S.M. Weber, M. Wessels, X. Yue [und 2889 weitere]
Gesehen am 14.05.2024
Veröffentlicht am 31. Juli 2023
Beschreibung:Online Resource
ISSN:2470-0029
DOI:10.1103/PhysRevD.108.012022

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