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A natural mechanism for approximate Higgs alignment in the 2HDM
Patrick Draper, Andreas Ekstedt, Howard E. Haber
The 2HDM possesses a neutral scalar interaction eigenstate whose tree-level properties coincide with the Standard Model (SM) Higgs boson. In light of the LHC Higgs data which sugge…
Flavorgenesis
Andreas Ekstedt, Renato M. Fonseca, Michal Malinský
We present a model where all fermions are contained in a single irreducible representation of an SU(19) gauge symmetry group. If there is only one scalar field, Yukawa interactions…
A Critical Look at the Electroweak Phase Transition
Andreas Ekstedt, Johan Löfgren
The electroweak phase transition broke the electroweak symmetry. Perturbative methods used to calculate observables related to this phase transition suffer from severe problems suc…
The High-Temperature Expansion of the Thermal Sunset
Andreas Ekstedt, Johan Löfgren
We give a prescription for calculating the high-temperature expansion of the thermal sunset integral to arbitrary order. We derive all terms odd in , and rederive previous resul…