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Measurement of the Z????¯? production cross section in pp collisions at vs=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings
journal contribution
posted on 2023-06-09, 18:51 authored by N L Abraham, Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, Antonella De SantoAntonella De Santo, Samuel Jones, Fabrizio SalvatoreFabrizio Salvatore, Kate ShawKate Shaw, Thomas StevensonThomas Stevenson, K Suruliz, Mark SuttonMark Sutton, Fabio Tresoldi, Fabrizio Trovato, Iacopo Vivarelli, E Winkels, The ATLAS Collaboration, othersThe 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 vs=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 (pT) of the dineutrino system in conjunction with a single isolated photon with large transverse energy (ET). The rate of Z? production is measured as a function of photon ET, dineutrino system pT and jet multiplicity. Evidence of anomalous triple gauge-boson couplings is sought in Z? production with photon ET 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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Publication status
- Published
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- Published version
Journal
Journal of High Energy PhysicsISSN
1126-6708Publisher
Institute of PhysicsExternal DOI
Issue
10Volume
12Page range
1-41Department affiliated with
- Physics and Astronomy Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2019-09-13First Open Access (FOA) Date
2019-09-13First Compliant Deposit (FCD) Date
2019-08-30Usage metrics
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