Measurements of quartic coupling and vector boson scattering in ATLAS

Measurements of multiboson production at the LHC probe the electroweak gauge structure of the Standard Model for contributions from anomalous couplings. Of particular significance are processes involving quartic gauge boson couplings. In this talk we present recent ATLAS results on the measurement o...

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Autor principal: Petukhov, Aleksandr
Lenguaje:eng
Publicado: 2022
Materias:
Acceso en línea:http://cds.cern.ch/record/2819989
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author Petukhov, Aleksandr
author_facet Petukhov, Aleksandr
author_sort Petukhov, Aleksandr
collection CERN
description Measurements of multiboson production at the LHC probe the electroweak gauge structure of the Standard Model for contributions from anomalous couplings. Of particular significance are processes involving quartic gauge boson couplings. In this talk we present recent ATLAS results on the measurement of electroweak production of a Zgamma pair in association with two jets when Z decays to neutrinos producing missing transverse energy. If available, the production of same-sign pair of W bosons will be presented. Moreover, several measurements including three gauge bosons in the final state will be discussed such as the first observation of the three W bosons and the production of Z boson and two photons. Finally, vector boson scattering measurements interpreted in a combined Effective Field Theory analysis of anomalous quartic gauge self-interaction will be shown.
id cern-2819989
institution Organización Europea para la Investigación Nuclear
language eng
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spelling cern-28199892023-10-06T13:14:45Zhttp://cds.cern.ch/record/2819989engPetukhov, AleksandrMeasurements of quartic coupling and vector boson scattering in ATLASParticle Physics - ExperimentMeasurements of multiboson production at the LHC probe the electroweak gauge structure of the Standard Model for contributions from anomalous couplings. Of particular significance are processes involving quartic gauge boson couplings. In this talk we present recent ATLAS results on the measurement of electroweak production of a Zgamma pair in association with two jets when Z decays to neutrinos producing missing transverse energy. If available, the production of same-sign pair of W bosons will be presented. Moreover, several measurements including three gauge bosons in the final state will be discussed such as the first observation of the three W bosons and the production of Z boson and two photons. Finally, vector boson scattering measurements interpreted in a combined Effective Field Theory analysis of anomalous quartic gauge self-interaction will be shown.ATL-PHYS-SLIDE-2022-348oai:cds.cern.ch:28199892022-07-27
spellingShingle Particle Physics - Experiment
Petukhov, Aleksandr
Measurements of quartic coupling and vector boson scattering in ATLAS
title Measurements of quartic coupling and vector boson scattering in ATLAS
title_full Measurements of quartic coupling and vector boson scattering in ATLAS
title_fullStr Measurements of quartic coupling and vector boson scattering in ATLAS
title_full_unstemmed Measurements of quartic coupling and vector boson scattering in ATLAS
title_short Measurements of quartic coupling and vector boson scattering in ATLAS
title_sort measurements of quartic coupling and vector boson scattering in atlas
topic Particle Physics - Experiment
url http://cds.cern.ch/record/2819989
work_keys_str_mv AT petukhovaleksandr measurementsofquarticcouplingandvectorbosonscatteringinatlas