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Doubly Charged Higgs Bosons and Spontaneous Symmetry Breaking at eV and TeV Scales

Family Symmetries and Multi Higgs Doublet Models

August Chełkowski Institute of Physics, University of Silesia in Katowice, ul. 75 Pułku Piechoty 1, 41-500 Chorzów, Poland
SGH Warsaw School of Economics, Collegium of Economic Analysis, ul. Madalińskiego 6/8, 02-513 Warsaw, Poland
Faculty of Applied Sciences, Humanitas University, ul. Kilińskiego 43, 41-200 Sosnowiec, Poland
Author to whom correspondence should be addressed.
Symmetry 2020, 12(1), 156;
Received: 30 November 2019 / Revised: 3 January 2020 / Accepted: 9 January 2020 / Published: 12 January 2020
Imposing a family symmetry on the Standard Model in order to reduce the number of its free parameters, due to the Schur’s Lemma, requires an explicit breaking of this symmetry. To avoid the need for this symmetry to break, additional Higgs doublets can be introduced. In such an extension of the Standard Model, we investigate family symmetries of the Yukawa Lagrangian. We find that adding a second Higgs doublet (2HDM) does not help, at least for finite subgroups of the U ( 3 ) group up to the order of 1025. View Full-Text
Keywords: lepton masses and mixing; family symmetry lepton masses and mixing; family symmetry
MDPI and ACS Style

Dziewit, B.; Holeczek, J.; Zając, S.; Zrałek, M. Family Symmetries and Multi Higgs Doublet Models. Symmetry 2020, 12, 156.

AMA Style

Dziewit B, Holeczek J, Zając S, Zrałek M. Family Symmetries and Multi Higgs Doublet Models. Symmetry. 2020; 12(1):156.

Chicago/Turabian Style

Dziewit, Bartosz, Jacek Holeczek, Sebastian Zając, and Marek Zrałek. 2020. "Family Symmetries and Multi Higgs Doublet Models" Symmetry 12, no. 1: 156.

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