TL;DR
This paper investigates non-decoupling D-terms in supersymmetric models, focusing on how radiative corrections and gauge kinetic mixing influence their ability to raise the Higgs boson mass.
Contribution
It provides a detailed analysis of two often neglected effects—radiative corrections and gauge kinetic mixing—on non-decoupling D-terms in models with an extra Abelian gauge group.
Findings
Radiative corrections reduce the positive impact of D-terms on Higgs mass.
Gauge kinetic mixing also diminishes the enhancement of the Higgs mass.
Both effects are significant and must be considered in model predictions.
Abstract
Non-Decoupling D-Terms are an attractive possibility to enhance the tree-level mass of the standard model like Higgs boson in supersymmetric models. We discuss here for the case of a new Abelian gauge group two effects usually neglected in literature: (i) the size of the additional radiative corrections to the Higgs mass due to the presence of the new gauge coupling, and (ii) the impact of gauge kinetic mixing. It is shown that both effects reduce to some extent the positive effect of the non-decoupling D-terms on the Higgs mass.
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