Measurement of the Z gamma ->nu nu gamma production cross section in pp collisions at root s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings
AffiliationUniv Arizona, Dept Phys
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CitationThe ATLAS collaboration., Aaboud, M., Aad, G. et al. Measurement of the Zγ→νν¯¯¯γ production cross section in pp collisions at s√=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings. J. High Energ. Phys. 2018, 10 (2018). https://doi.org/10.1007/JHEP12(2018)010
JournalJOURNAL OF HIGH ENERGY PHYSICS
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AbstractThe production of Z bosons in association with a high-energy photon (Z production) is studied in the neutrino decay channel of the Z boson using pp collisions at =13 TeV. The analysis uses a data sample with an integrated luminosity of 36.1fb(-1) collected by the ATLAS detector at the LHC in 2015 and 2016. Candidate Z events with invisible decays of the Z boson are selected by requiring significant transverse momentum (p(T)) of the dineutrino system in conjunction with a single isolated photon with large transverse energy (E-T). The rate of Z production is measured as a function of photon E-T, dineutrino system p(T) and jet multiplicity. Evidence of anomalous triple gauge-boson couplings is sought in Z production with photon E-T greater than 600 GeV. No excess is observed relative to the Standard Model expectation, and upper limits are set on the strength of ZZ and Z couplings
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Except where otherwise noted, this item's license is described as Copyright © CERN. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0).