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Abstract:

A search is presented for new particles in an extension to the Standard Model that includes a heavy Higgs boson (H 0 ), an intermediate charged Higgs-boson pair (H - ), and a light Higgs boson (h 0 ). The analysis searches for events involving the production of a single heavy neutral Higgs boson which decays to the charged Higgs boson and a W boson, where the charged Higgs boson subsequently decays into a W boson and the lightest neutral Higgs boson decaying to a bottom-antibottom-quark pair. Such a cascade results in a W-boson pair and a bottom-antibottom-quark pair in the final state. Events with exactly one lepton, missing transverse momentum, and at least four jets are selected from a data sample corresponding to an integrated luminosity of 20.3 fb -1 , collected by the ATLAS detector in proton-proton collisions at √s = 8 TeV at the LHC. The data are found to be consistent with Standard Model predictions, and 95% confidence-level upper limits are set on the product of cross section and branching ratio. These limits range from 0.065 to 43 pb as a function of H 0 and H - masses, with m h 0 fixed at 125 GeV. © 2014 CERN, for the ATLAS Collaboration.

Registro:

Documento: Artículo
Título:Search for a multi-Higgs-boson cascade in W + W - bb̄ events with the ATLAS detector in pp collisions at √s = 8 TeV
Autor:Aad, G. et al.
Este artículo contiene 2935 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 2935 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Año:2014
Volumen:89
Número:3
DOI: http://dx.doi.org/10.1103/PhysRevD.89.032002
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:15507998
CODEN:PRVDA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v89_n3_p_Aad

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Citas:

---------- APA ----------
(2014) . Search for a multi-Higgs-boson cascade in W + W - bb̄ events with the ATLAS detector in pp collisions at √s = 8 TeV. Physical Review D - Particles, Fields, Gravitation and Cosmology, 89(3).
http://dx.doi.org/10.1103/PhysRevD.89.032002
---------- CHICAGO ----------
Aad, G. "Search for a multi-Higgs-boson cascade in W + W - bb̄ events with the ATLAS detector in pp collisions at √s = 8 TeV" . Physical Review D - Particles, Fields, Gravitation and Cosmology 89, no. 3 (2014).
http://dx.doi.org/10.1103/PhysRevD.89.032002
---------- MLA ----------
Aad, G. "Search for a multi-Higgs-boson cascade in W + W - bb̄ events with the ATLAS detector in pp collisions at √s = 8 TeV" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 89, no. 3, 2014.
http://dx.doi.org/10.1103/PhysRevD.89.032002
---------- VANCOUVER ----------
Aad, G. Search for a multi-Higgs-boson cascade in W + W - bb̄ events with the ATLAS detector in pp collisions at √s = 8 TeV. Phys Rev D Part Fields Gravit Cosmol. 2014;89(3).
http://dx.doi.org/10.1103/PhysRevD.89.032002