Constraints on non-Standard Model Higgs boson interactions in an effective Lagrangian using differential cross sections measured in the H→γγ decay channel at √s = 8 TeV with the ATLAS detector

doi:10.1016/j.physletb.2015.11.071

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Chelkov, G. A. | 2016

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Constraints on non-Standard Model Higgs boson interactions in an effective Lagrangian using differential cross sections measured in the H→γγ decay channel at √s = 8 TeV with the ATLAS detector	1 MB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1016/j.physletb.2015.11.071

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Title: Constraints on non-Standard Model Higgs boson interactions in an effective Lagrangian using differential cross sections measured in the H→γγ decay channel at √s = 8 TeV with the ATLAS detector
Creator: Aad, G.
|
Abdallah, J.
|
Chelkov, G. A.
|
Abbott, B.
Date: 2016
DOI: 10.1016/j.physletb.2015.11.071
Description: The strength and tensor structure of the Higgs boson's interactions are investigated using an effective Lagrangian, which introduces additional CP-even and CP-odd interactions that lead to changes in the kinematic properties of the Higgs boson and associated jet spectra with respect to the Standard Model. The parameters of the effective Lagrangian are probed using a fit to five differential cross sections previously measured by the ATLAS experiment in the H→γγH→γγ decay channel with an integrated luminosity of 20.3 fb−1 at View the MathML sources=8 TeV. In order to perform a simultaneous fit to the five distributions, the statistical correlations between them are determined by re-analysing the H→γγH→γγ candidate events in the proton–proton collision data. No significant deviations from the Standard Model predictions are observed and limits on the effective Lagrangian parameters are derived. The statistical correlations are made publicly available to allow for future analysis of theories with non-Standard Model interactions.

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collection(s): Радиофизический факультет
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Physics Letters B. 2016. Vol. 753. P. 69-85
Language: eng

Created: 06-07-2017

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Радиофизический факультет Constraints on non-Standard Model Higgs boson interactions in an effective Lagrangian using differential cross sections measured in the H→γγ decay channel at √s = 8 TeV with the ATLAS detector