Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010dmap.conf..170a&link_type=abstract
DARK MATTER IN ASTROPHYSICS AND PARTICLE PHYSICS . Proceedings of the 7th International Heidelberg Conference on Dark 2009 . Hel
Astronomy and Astrophysics
Astrophysics
Scientific paper
We discuss a TeV-scale model, in which neutrino masses and mixings, dark matter, and baryon asymmetry of the Universe can be simultaneously explained without assuming large hierarchy among the mass scales. Imposing the exact Z2 symmetry, tiny neutrino masses are generated at the three loop level and stability of the dark matter candidate is guaranteed. Moreover the necessary conditions for the electroweak baryogenesis are satisfied via the extended Higgs sector. The model provides a distinctive experimental signature especially in Higgs phenomenology and dark matter physics.
Aoki Mayumi
Kanemura Shinya
Seto Osamu
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