Fighting off field dependence in MSSM Higgs-mass corrections of order $α_t\,α_s$ and $α_t^2$
Florian Domingo; Sebastian Paßehr · 2021 · arXiv
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Abstract (excerpt)
The connection between gauge and Higgs sectors makes supersymmetric extensions of the Standard Model predictive frameworks for the derivation of Higgs masses. In this paper, we study the contamination of such predictions by field-renormalization constants, in the MSSM with two-loop gaugeless corrections of $\mathcal{O}{\left(α_{t,b}\,α_s,\,α_{t,b}^2\right)}$ and full momentum dependence, and demonstrate how strict perturbative expansions allow to systematically neutralize the dependence on such unphysical objects. On the other hand, the popular procedure consisting in an iterative pole search
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Metadata source: arXiv