Effective two Higgs doublets in nonminimal supersymmetric models

被引：0
作者：
Ernest Ma
Markos Maniatis
机构：
[1] University of California,Department of Physics and Astronomy
[2] University of Heidelberg,Institut für Theoretische Physik
来源：
The European Physical Journal C | 2011年 / 71卷
关键词：
Higgs Boson; Higgs Sector; Supersymmetric Model; Electroweak Scale; Higgs Potential;
D O I：
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摘要：
The Higgs sectors of supersymmetric extensions of the Standard Model have two doublets in the minimal version (MSSM), and two doublets plus a singlet in two others: with (UMSSM) and without (NMSSM) an extra U(1)′. A very concise comparison of these three models is possible if we assume that the singlet has a somewhat larger breaking scale compared to the electroweak scale. In that case, the UMSSM and the NMSSM become effectively two-Higgs-doublet models (THDM), like the MSSM. In this approach the well-known upper mass bounds on the lightest CP-even neutral Higgs boson can be derived in a very simple and transparent way.
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