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Dark Matter Detection, Standard Model Parameters, and Intermediate Scale Supersymmetry
David Dunsky, Lawrence J. Hall, Keisuke Harigaya
The vanishing of the Higgs quartic coupling at a high energy scale may be explained by Intermediate Scale Supersymmetry, where supersymmetry breaks at - GeV. The p…
Sterile Neutrino Dark Matter and Leptogenesis in Left-Right Higgs Parity
David Dunsky, Lawrence J. Hall, Keisuke Harigaya
The standard model Higgs quartic coupling vanishes at GeV. We study theories that incorporate the Higgs Parity mechani…
Predictions for Axion Couplings from ALP Cogenesis
Raymond T. Co, Lawrence J. Hall, Keisuke Harigaya
Adding an axion-like particle (ALP) to the Standard Model, with a field velocity in the early universe, simultaneously explains the observed baryon and dark matter densities. This…
Lepto-Axiogenesis
Raymond T. Co, Nicolas Fernandez, Akshay Ghalsasi +2
We propose a baryogenenesis mechanism that uses a rotating condensate of a Peccei-Quinn (PQ) symmetry breaking field and the dimension-five operator that gives Majorana neutrino ma…
Sterile Neutrino Dark Matter in Left-Right Theories
Jeff A. Dror, David Dunsky, Lawrence J. Hall +1
gauge symmetry requires three right-handed neutrinos (), one of which, , can be sufficiently stable to be dark matter. In the early universe,…