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Abstract:

Combined ATLAS and CMS measurements of the Higgs boson production and decay rates, as well as constraints on its couplings to vector bosons and fermions, are presented. The combination is based on the analysis of five production processes, namely gluon fusion, vector boson fusion, and associated production with a W or a Z boson or a pair of top quarks, and of the six decay modes H → ZZ, W W, γγ, ττ, bb, and μμ. All results are reported assuming a value of 125.09 GeV for the Higgs boson mass, the result of the combined measurement by the ATLAS and CMS experiments. The analysis uses the CERN LHC proton-proton collision data recorded by the ATLAS and CMS experiments in 2011 and 2012, corresponding to integrated luminosities per experiment of approximately 5 fb −1 at √s = 7 TeV and 20 fb −1 at √s = 8 TeV. The Higgs boson production and decay rates measured by the two experiments are combined within the context of three generic parameterisations: two based on cross sections and branching fractions, and one on ratios of coupling modifiers. Several interpretations of the measurements with more model-dependent parameterisations are also given. The combined signal yield relative to the Standard Model prediction is measured to be 1.09 ± 0.11. The combined measurements lead to observed significances for the vector boson fusion production process and for the H → ττ decay of 5.4 and 5.5 standard deviations, respectively. The data are consistent with the Standard Model predictions for all parameterisations considered. © 2016, The Author(s).

Registro:

Documento: Artículo
Título:Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at √s = 7 and 8 TeV
Autor:The ATLAS collaboration et al.
Este artículo contiene 5114 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 5114 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Palabras clave:Hadron-Hadron scattering (experiments); Higgs physics
Año:2016
Volumen:2016
Número:8
DOI: http://dx.doi.org/10.1007/JHEP08(2016)045
Título revista:Journal of High Energy Physics
Título revista abreviado:J. High Energy Phys.
ISSN:11266708
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_11266708_v2016_n8_p_TheATLAScollaboration

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Citas:

---------- APA ----------
(2016) . Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at √s = 7 and 8 TeV. Journal of High Energy Physics, 2016(8).
http://dx.doi.org/10.1007/JHEP08(2016)045
---------- CHICAGO ----------
The ATLAS collaboration. "Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at √s = 7 and 8 TeV" . Journal of High Energy Physics 2016, no. 8 (2016).
http://dx.doi.org/10.1007/JHEP08(2016)045
---------- MLA ----------
The ATLAS collaboration. "Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at √s = 7 and 8 TeV" . Journal of High Energy Physics, vol. 2016, no. 8, 2016.
http://dx.doi.org/10.1007/JHEP08(2016)045
---------- VANCOUVER ----------
The ATLAS collaboration. Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at √s = 7 and 8 TeV. J. High Energy Phys. 2016;2016(8).
http://dx.doi.org/10.1007/JHEP08(2016)045