336 citations · 8k across the 263 of their papers we have counts for
8 papers · 1 filter
Higgs-lepton inflation in the supersymmetric minimal seesaw model
Masato Arai, Shinsuke Kawai, Nobuchika Okada
We investigate a scenario of cosmological inflation realised along a flat direction of the minimal seesaw model embedded in supergravity with a noncanonical R-parity violating Kähl…
Positively deflected anomaly mediation in the light of the Higgs boson discovery
Nobuchika Okada, Hieu Minh Tran
Anomaly-mediated supersymmetry breaking (AMSB) is a well-known mechanism for flavor-blind transmission of supersymmetry breaking from the hidden sector to the visible sector. Howev…
Inverse Seesaw Neutrino Signatures at LHC and ILC
Arindam Das, Nobuchika Okada
We study the collider signature of pseudo-Dirac heavy neutrinos in the inverse seesaw scenario, where the heavy neutrinos with mass at the electroweak scale can have sizable mixing…
Minimal Flavor Violation in the Minimal U(1)_{B-L} Model and Resonant Leptogenesis
Nobuchika Okada, Yuta Orikasa, Toshifumi Yamada
We investigate the resonant leptogenesis scenario in the minimally extended standard model with minimal flavor violation. In our model, the gauge symmetry…
125 GeV Higgs, Type III Seesaw and Gauge-Higgs Unification
Bin He, Nobuchika Okada, Qaisar Shafi
Recently, both the ATLAS and CMS experiments have observed an excess of events that could be the first evidence for a 125 GeV Higgs boson. This is a few GeV below the (absolute) va…
SuperWIMP dark matter and 125 GeV Higgs boson in the minimal GMSB
Nobuchika Okada
Recently, both the ATLAS and CMS experiments have observed an excess of events that could be the first evidence for a 125 GeV Higgs boson. We investigate an implication of the CP-e…