199 citations · 4.2k across the 135 of their papers we have counts for
8 papers · 1 filter
Radiative Majorana Neutrino Masses in a Parity Solution to the Strong CP Problem
Lawrence J. Hall, Keisuke Harigaya, Yogev Shpilman
The strong CP problem can be solved in Parity symmetric theories with electroweak gauge group containing broken by the minimal Higgs content. Neutrino mass…
ALP-Assisted Strong First-Order Electroweak Phase Transition and Baryogenesis
Keisuke Harigaya, Isaac R. Wang
Axion-like particles (ALPs) can be naturally lighter than the electroweak scale. We consider an ALP that couples to the Standard Model Higgs to achieve the strong first-order elect…
Leptogenesis in Parity Solutions to the Strong CP Problem and Standard Model Parameters
Juanca Carrasco-Martinez, David I. Dunsky, Lawrence J. Hall +1
We study the simplest theories with exact spacetime parity that solve the strong CP problem and successfully generate the cosmological baryon asymmetry via decays of right-handed n…
Precision Electroweak Tensions and a Dark Photon
Keisuke Harigaya, Evan Petrosky, Aaron Pierce
We examine how different assumptions about the hadronic vacuum polarization, the boson mass, and the forward-backward asymmetry in -quarks at the pole can impact the pre…
Axion Poltergeist
Keisuke Harigaya, Keisuke Inomata, Takahiro Terada
Rotations of axion fields in the early universe can produce dark matter and the matter-antimatter asymmetry of the universe. We point out that the rotation can generate an observab…
-Odd Polonyi Field in Twin Higgs Model
Gongjun Choi, Keisuke Harigaya
We consider a supersymmetric mirror Twin Higgs model in a gravity-mediated supersymmetry-breaking scenario. We point out that the Polonyi field can be odd under the symmetr…
A Heavy QCD Axion and the Mirror World
David I. Dunsky, Lawrence J. Hall, Keisuke Harigaya
We study the mirror world with dark matter arising from the thermal freeze-out of the lightest, stable mirror particle -- the mirror electron. The dark matter abundance is achieved…
Naturally astrophobic QCD axion
Marcin Badziak, Keisuke Harigaya
We present a QCD axion model where the couplings of the axion to nucleons, electrons, and muons are naturally suppressed because of the appropriate choice of the Peccei-Quinn charg…