Abstract
We compute all of the one-loop corrections that are enhanced, O(λ i λ j /16π 2), in the limit s ≫ |λ i |v 2 ≫ M 2 W , s ≫ m 212 to all the 2 → 2 longitudinal vector boson and Higgs boson scattering amplitudes in the CP -conserving two-Higgs doublet model with a softly broken \( {\mathrm{\mathbb{Z}}}_2 \) symmetry. In the two simplified scenarios we study, the typical bound we find is |λ i (s)| ⪷ 4.
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Grinstein, B., Murphy, C.W. & Uttayarat, P. One-loop corrections to the perturbative unitarity bounds in the CP-conserving two-Higgs doublet model with a softly broken \( {\mathrm{\mathbb{Z}}}_2 \) symmetry. J. High Energ. Phys. 2016, 70 (2016). https://doi.org/10.1007/JHEP06(2016)070
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DOI: https://doi.org/10.1007/JHEP06(2016)070