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Predicting Alignment in a Two Higgs Doublet Model

Laboratoire de Physique Théorique et Hautes Energies (LPTHE), UMR 7589, Sorbonne Université et CNRS, 4 place Jussieu, 75252 Paris CEDEX 05, France
Author to whom correspondence should be addressed.
Presented at the 7th International Conference on New Frontiers in Physics (ICNFP 2018), Crete, Greece, 4–12 July 2018.
Proceedings 2019, 13(1), 2;
Published: 17 May 2019
(This article belongs to the Proceedings of The International Conference on New Frontiers in Physics)
PDF [281 KB, uploaded 17 May 2019]


We show that a non-abelian global S U ( 2 ) R R-symmetry acting on the quartic part of the two Higgs Doublet Model leads, at tree-level, to an automatic alignment without decoupling. An example of phenomenologically viable model with this feature is the the low energy effective field theory of the Minimal Dirac Gaugino Supersymmetric Model in the limit where the adjoint scalars are decoupled. We discuss here how the S U ( 2 ) R can be identified with the R-symmetry of the N = 2 supersymmetry in the gauge and Higgs sectors. We also review how the radiative corrections lead to a very small misalignment.
Keywords: extended supersymmetry; dirac gauginos; extended higgs sectors extended supersymmetry; dirac gauginos; extended higgs sectors
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Benakli, K.; Chen, Y.; Lafforgue-Marmet, G. Predicting Alignment in a Two Higgs Doublet Model. Proceedings 2019, 13, 2.

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