Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/11091
Title: Observation of Formula Presented Production in pp Collisions at Formula Presented with the ATLAS Detector
Authors: Filmer, E.K.
Jackson, P.
Kong, A.X.Y.
Potti, H.
Ruggeri, T.A.
Ting, E.X.L.
White, M.J.
Keywords: Phase space methods
Tellurium compounds
A-center
ATLAS detectors
Center-of-mass energies
Centre-of-mass energies
Large Hadron Collider
Large-hadron colliders
Measurements of
Phase space regions
Production cross section
Proton proton collisions
Photons
Publisher: American Physical Society
Abstract: This Letter reports the observation of Formula Presented production and a measurement of its cross section using Formula Presented of proton-proton collision data recorded at a center-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. The Formula Presented production cross section, with both the Formula Presented and Formula Presented bosons decaying leptonically, Formula Presented (Formula Presented, Formula Presented), is measured in a fiducial phase-space region defined such that the leptons and the photon have high transverse momentum and the photon is isolated. The cross section is found to be Formula Presented. The corresponding standard model predicted cross section calculated at next-to-leading order in perturbative quantum chromodynamics and at leading order in the electroweak coupling constant is Formula Presented. The observed significance of the Formula Presented signal is Formula Presented, compared with an expected significance of Formula Presented. © 2024 CERN, for the ATLAS Collaboration.
URI: https://doi.org/10.1103/PhysRevLett.132.021802
https://hdl.handle.net/20.500.11851/11091
ISSN: 0031-9007
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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