Study of WWγ and WZγ production in pp collisions at √s=8TeV and search for anomalous quartic gauge couplings with the ATLAS experiment

doi:10.1140/epjc/s10052-017-5180-3

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DOI Доступ к ресурсу на сайте издателя			10.1140/epjc/s10052-017-5180-3

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Title: Study of WWγ and WZγ production in pp collisions at √s=8TeV and search for anomalous quartic gauge couplings with the ATLAS experiment
Creator: Aaboud, M.
|
Abbott, B.
|
Chelkov, G. A.
|
Khodinov, A.
|
Vaniachine, A.
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Aad, G.
Date: 2017
DOI: 10.1140/epjc/s10052-017-5180-3
Description: This paper presents a study of WWγWWγ and WZγWZγ triboson production using events from proton–proton collisions at a centre-of-mass energy of s√=8TeVs=8TeV recorded with the ATLAS detector at the LHC and corresponding to an integrated luminosity of 20.2 fb −1−1 . The WWγWWγ production cross-section is determined using a final state containing an electron, a muon, a photon, and neutrinos ( eνμνγeνμνγ ). Upper limits on the production cross-section of the eνμνγeνμνγ final state and the WWγWWγ and WZγWZγ final states containing an electron or a muon, two jets, a photon, and a neutrino ( eνjjγeνjjγ or μνjjγμνjjγ ) 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 WWγWWγ and WZγWZγ production are sensitive.

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collection(s): Радиофизический факультет | Физический факультет | Научное управление
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: The European physical journal C. 2017. Vol. 77, № 9. P. 646 (1-30)
Language: eng

Created: 31-01-2018

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Научное управление Study of WWγ and WZγ production in pp collisions at √s=8TeV and search for anomalous quartic gauge couplings with the ATLAS experiment