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43 papers · 2 filters
Testing the Bimodal/Schizophrenic Neutrino Hypothesis in Neutrinoless Double Beta Decay and Neutrino Telescopes
James Barry, Rabindra N. Mohapatra, Werner Rodejohann
The standard assumption is that all three neutrino mass states are either Dirac or Majorana. However, it was recently suggested by Allaverdi, Dutta and one of the authors (R.N.M.)…
Direct detection data and possible hints for low-mass WIMPs
Thomas Schwetz
Possible hints for WIMP dark matter with mass around 10 GeV coming from the DAMA, CoGeNT, and maybe also CRESST experiments are presented, and confronted with constraints from CDMS…
Natural Inflation and Flavor Mixing from Peccei-Quinn Symmetry Breaking
Pei-Hong Gu, Manfred Lindner
We propose a left-right symmetric model to simultaneously give natural inflation and flavor mixing from a Peccei-Quinn symmetry breaking at the Planck scale. Our model can be embed…
Leptophilic Dark Matter in Direct Detection Experiments and in the Sun
Joachim Kopp, Viviana Niro, Thomas Schwetz +1
Dark matter interacting predominantly with leptons instead of nuclear matter has received a lot of interest recently. In this talk, we investigate the signals expected from such 'l…
Intrinsic Deviation from the Tri-bimaximal Neutrino Mixing in a Class of A_4 Flavor Models
Takeshi Araki, Jianwei Mei, Zhi-zhong Xing
It is well known that the tri-bimaximal neutrino mixing pattern V_0 can be derived from a class of flavor models with the non-Abelian A_4 symmetry. We point out that small correcti…
Universal Seesaw from Left-Right and Peccei-Quinn Symmetry Breaking
Pei-Hong Gu, Manfred Lindner
To generate the lepton and quark masses in the left-right symmetric models, we can consider a universal seesaw scenario by integrating out heavy fermion singlets which have the Yuk…