6533b859fe1ef96bd12b7972
RESEARCH PRODUCT
Decaying warm dark matter and neutrino masses
Jose W.f. ValleMassimiliano Lattanzisubject
PhysicsParticle physicsSterile neutrinoHot dark matterDark matterAstrophysics (astro-ph)High Energy Physics::PhenomenologyScalar field dark matterGeneral Physics and AstronomyFOS: Physical sciencesFísicaAstrophysicsAstrophysics::Cosmology and Extragalactic AstrophysicsAstrophysicsHigh Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)Mixed dark matterWarm dark matterNeutrinoLight dark matterdescription
Neutrino masses may arise from spontaneous breaking of ungauged lepton number. Due to quantum gravity effects the associated Goldstone boson - the majoron - will pick up a mass. We determine the lifetime and mass required by cosmic microwave background observations so that the massive majoron provides the observed dark matter of the Universe. The majoron DDM scenario fits nicely in models where neutrino masses arise a la seesaw, and may lead to other possible cosmological implications.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2007-05-16 |