Natural Two-Higgs-Doublet Model

被引：5

作者：

Grzadkowski, Bohdan ^{[1
]}

Osland, Per ^{[2
]}

机构：

[1] Univ Warsaw, Fac Phys, Inst Theoret Phys, PL-00681 Warsaw, Poland

[2] Univ Bergen, Dept Phys & Technol, N-5020 Bergen, Norway

来源：

FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS | 2011年 / 59卷 / 11-12期

关键词：

Little hierarchy problem; Two-Higgs-Doublet Model; dark matter; HIGGS; REGULARIZATION;

D O I：

10.1002/prop.201000098

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that the Two-Higgs-Doublet Model (2HDM) constrained by the two-loop-order requirement of cancellation of quadratic divergences is consistent with the existing experimental constraints. The model allows to ameliorate the little hierarchy problem by suppressing the quadratic corrections to scalar masses and lifting the mass of the lightest Higgs boson. A strong source of CP violation emerges from the scalar potential. The cutoff originating from the naturality arguments is shifted from similar to 0.6 TeV in the Standard Model to greater than or similar to 6 TeV in the 2HDM, depending on the mass of the lightest scalar. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：1041 / 1045

页数：5

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