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Scalar sector properties of two-Higgs-doublet models with a global U(1) symmetry

Bhattacharyya, Gautam ; Das, Dipankar ; Pal, Palash B. ; Rebelo, M. N.

The journal of high energy physics, 2013-10, Vol.2013 (10), p.1-14, Article 81 [Periódico revisado por pares]

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Título:
Scalar sector properties of two-Higgs-doublet models with a global U(1) symmetry
Autor: Bhattacharyya, Gautam ; Das, Dipankar ; Pal, Palash B. ; Rebelo, M. N.
Assuntos: Classical and Quantum Gravitation ; Correlation ; Decoupling ; Elementary Particles ; Higgs bosons ; High energy physics ; Mathematical models ; Physics ; Physics and Astronomy ; Quantum Field Theories ; Quantum Field Theory ; Quantum Physics ; Relativity Theory ; Scalars ; Scattering amplitude ; Stability ; String Theory ; Symmetry
É parte de: The journal of high energy physics, 2013-10, Vol.2013 (10), p.1-14, Article 81
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: A bstract We analyze the scalar sector properties of a general class of two-Higgs-doublet models which has a global U(1) symmetry in the quartic terms. We find constraints on the parameters of the potential from the considerations of unitarity of scattering amplitudes, the global stability of the potential and the ρ -parameter. We concentrate on the spectrum of the non-standard scalar masses in the decoupling limit which is preferred by the Higgs data at the LHC. We exhibit charged-Higgs induced contributions to the diphoton decay width of the 125 GeV Higgs boson and its correlation with the corresponding Z γ width.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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