Measurement of Zγγ production in pp collisions at √s= 13 TeV with the ATLAS detector : = Measurement of Z[gamma][gamma] production in pp collisions at [square root]s= 13 TeV with the ATLAS detector

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Abstract: Cross-sections for the production of a Z boson in association with two photons are measured in proton–proton collisions at a centre-of-mass energy of 13 TeV. The data used correspond to an integrated luminosity of 139 fb−1 recorded by the ATLAS experiment during Run 2 of the LHC. The measurements use the electron and muon decay channels of the Z boson, and a fiducial phase-space region where the photons are not radiated from the leptons. The integrated Z(→ )γ γ cross-section is measured with a precision of 12% and differential cross-sections are measured as a function of six kinematic variables of the Zγ γ system. The data are compared with predictions from MC event generators which are accurate to up to next-to-leading order in QCD. The cross-section measurements are used to set limits on the coupling strengths of dimension-8 operators in the framework of an effective field theory

Weitere Titel
Measurement of Z[gamma][gamma] production in pp collisions at [square root]s= 13 TeV with the ATLAS detector
Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch
Anmerkungen
The European physical journal. - 83, 6 (2023) , 539, ISSN: 1434-6052

Ereignis
Veröffentlichung
(wo)
Freiburg
(wer)
Universität
(wann)
2024
Urheber
Beteiligte Personen und Organisationen
Experimentelle Teilchenphysik

DOI
10.1140/epjc/s10052-023-11579-8
URN
urn:nbn:de:bsz:25-freidok-2540242
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:27 MESZ

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