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Study of [Formula omitted] and [Formula omitted] production in [Formula omitted] collisions at [Formula omitted] and search for anomalous quartic gauge couplings with the ATLAS experiment

Aaboud, M ; Aad, G ; Abbott, B ; Abdinov, O ; Abeloos, B ; Abidi, S. H ; AbouZeid, O. S

The European physical journal. C, Particles and fields, 2017-09, Vol.77 (9) [Periódico revisado por pares]

Springer

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  • Título:
    Study of [Formula omitted] and [Formula omitted] production in [Formula omitted] collisions at [Formula omitted] and search for anomalous quartic gauge couplings with the ATLAS experiment
  • Autor: Aaboud, M ; Aad, G ; Abbott, B ; Abdinov, O ; Abeloos, B ; Abidi, S. H ; AbouZeid, O. S
  • Assuntos: Analysis ; Particle collisions
  • É parte de: The European physical journal. C, Particles and fields, 2017-09, Vol.77 (9)
  • Descrição: This paper presents a study of [Formula omitted] and [Formula omitted] triboson production using events from proton-proton collisions at a centre-of-mass energy of [Formula omitted] recorded with the ATLAS detector at the LHC and corresponding to an integrated luminosity of 20.2 fb [Formula omitted]. The [Formula omitted] production cross-section is determined using a final state containing an electron, a muon, a photon, and neutrinos ( [Formula omitted]). Upper limits on the production cross-section of the [Formula omitted] final state and the [Formula omitted] and [Formula omitted] final states containing an electron or a muon, two jets, a photon, and a neutrino ( [Formula omitted] or [Formula omitted]) are also derived. The results are compared to the cross-sections predicted by the Standard Model at next-to-leading order in the strong-coupling constant. In addition, upper limits on the production cross-sections are derived in a fiducial region optimised for a search for new physics beyond the Standard Model. The results are interpreted in the context of anomalous quartic gauge couplings using an effective field theory. Confidence intervals at 95% confidence level are derived for the 14 coupling coefficients to which [Formula omitted] and [Formula omitted] production are sensitive.
  • Editor: Springer
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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