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A Renormalizable Model for the Galactic Center Gamma Ray Excess from Dark Matter Annihilation
Evidence for an excess of gamma rays with O ( GeV ) energy coming from the center of our galaxy has been steadily accumulating over the past several years. Recent studies of the excess in data fromExpand
Perturbative analysis of the electron electric dipole moment and CP violation in two-Higgs-doublet models
I consider a general two Higgs doublet model with CP violation. I give a perturbative expansion for the mass eigenstates in terms of the small CP violating phase. I use these analytical expressionsExpand
Constraints and consequences of reducing small scale structure via large dark matter-neutrino interactions
A bstractCold dark matter explains a wide range of data on cosmological scales. However, there has been a steady accumulation of evidence for discrepancies between simulations and observations atExpand
Baryogenesis From Flavon Decays
Many popular attempts to explain the observed patterns of fermion masses involve a flavon field. Such weakly coupled scalar fields tend to dominate the energy density of the universe before theyExpand
Early Cosmological Period of QCD Confinement.
TLDR
A scenario in which the dynamics is such that QCD confines at high temperatures with a large dynamical scale, relaxing back to ∼1  GeV before big bang nucleosynthesis is considered. Expand
Assessing perturbativity and vacuum stability in high-scale leptogenesis
A bstractWe consider the requirements that all coupling constants remain perturbative and the electroweak vacuum metastable up to the Planck scale in high-scale thermal leptogenesis, in the contextExpand
CP Violation in Pseudo-Dirac Fermion Oscillations
Supersymmetric theories with a $U(1)_R$ symmetry have Dirac gauginos, solve the supersymmetric flavor and CP problems, and have distinctive collider signatures. However when supergravity is included,Expand
Baryogenesis via particle-antiparticle oscillations
$CP$ violation, which is crucial for producing the baryon asymmetry of the Universe, is enhanced in particle-antiparticle oscillations. We study particle-antiparticle oscillations [of a particle withExpand
Reducing cosmological small scale structure via a large dark matter-neutrino interaction: constraints and consequences
Cold dark matter explains a wide range of data on cosmological scales. However, there has been a steady accumulation of evidence for discrepancies between simulations and observations at scalesExpand
Biνo phenomenology at the LHC
A bstractWe study the LHC constraints on an R-symmetric SUSY model, where the neutrino masses are generated through higher dimensional operators involving the pseudo-Dirac bino, named biνo. WeExpand
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