Impersonating the Standard Model Higgs boson: Alignment without decoupling
作者： Nausheen R. Shah , Carlos E. M. Wagner , Carlos E. M. Wagner , Ian Low , Ian Low
关键词: Higgs sector 、 Physics 、 Supersymmetry 、 Higgs mechanism 、 Elementary particle 、 Higgs boson 、 Higgs field 、 Particle physics 、 Minimal Supersymmetric Standard Model 、 Boson
摘要: In models with an extended Higgs sector there exists alignment limit, in which the lightest CP-even boson mimics Standard Model Higgs. The limit is commonly associated decoupling where all non-standard scalars are significantly heavier than Z boson. However, can occur irrespective of mass scale rest sector. this work we discuss general conditions that lead to “alignment without decoupling”, therefore allowing for existence additional bosons at weak scale. values tan β happens derived terms effective quartic couplings two-Higgs-doublet as well supersymmetric theories, including MSSM and NMSSM. Moreover, study information encoded variations SM Higgs-fermion explore regions m A − parameter space.
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