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A search for the Zγ decay mode of the Higgs boson in pp collisions at s=13 TeV with the ATLAS detector

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dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbbott, D. C.
dc.contributor.authorAbed, Abud, A.
dc.contributor.authorBelotskiy, K.
dc.contributor.authorBelyaev, N. L.
dc.contributor.authorBulekov, O.
dc.contributor.authorKurova, A.
dc.contributor.authorPonomarenko, D.
dc.contributor.authorProklova, N.
dc.contributor.authorPyatiizbyantseva, D.
dc.contributor.authorRomaniouk, A.
dc.contributor.authorSmirnov, N.
dc.contributor.authorSmirnov, S. Y.
dc.contributor.authorSmirnov, Y.
dc.contributor.authorSoldatov, E. Y.
dc.contributor.authorTikhomirov, V. O.
dc.contributor.authorTimoshenko, S.
dc.contributor.authorVorobev, K.
dc.contributor.authorБелоцкий, Константин Михайлович
dc.contributor.authorБулеков, Олег Владимирович
dc.contributor.authorКурова, Анастасия Сергеевна
dc.contributor.authorПятиизбянцева, Диана Николаевна
dc.contributor.authorРоманюк, Анатолий Самсонович
dc.contributor.authorСмирнов, Сергей Юрьевич
dc.contributor.authorСмирнов, Юрий Сергеевич
dc.contributor.authorСолдатов, Евгений Юрьевич
dc.contributor.authorТихомиров, Владимир Олегович
dc.contributor.authorТимошенко, Сергей Леонидович
dc.contributor.authorВоробьёв, Константин Александрович
dc.date.accessioned2024-11-27T08:22:29Z
dc.date.available2024-11-27T08:22:29Z
dc.date.issued2020
dc.description.abstract© 2020 The AuthorA search for the Zγ decay of the Higgs boson, with Z boson decays into pairs of electrons or muons is presented. The analysis uses proton–proton collision data at s = 13 TeV corresponding to an integrated luminosity of 139 fb−1 recorded by the ATLAS detector at the Large Hadron Collider. The observed data are consistent with the expected background with a p-value of 1.3%. An upper limit at 95% confidence level on the production cross-section times the branching ratio for pp→H→Zγ is set at 3.6 times the Standard Model prediction while 2.6 times is expected in the presence of the Standard Model Higgs boson. The best-fit value for the signal yield normalised to the Standard Model prediction is 2.0−0.9+1.0 where the statistical component of the uncertainty is dominant.
dc.identifier.citationA search for the Zγ decay mode of the Higgs boson in pp collisions at s=13 TeV with the ATLAS detector / Aad, G. [et al.] // Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - 2020. - 809. - 10.1016/j.physletb.2020.135754
dc.identifier.doi10.1016/j.physletb.2020.135754
dc.identifier.urihttps://www.doi.org/10.1016/j.physletb.2020.135754
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dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/22421
dc.relation.ispartofPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
dc.titleA search for the Zγ decay mode of the Higgs boson in pp collisions at s=13 TeV with the ATLAS detector
dc.typeArticle
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oaire.citation.volume809
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