6533b85ffe1ef96bd12c26f7

RESEARCH PRODUCT

Inflation and majoron dark matter in the neutrino seesaw mechanism

Qaisar ShafiStefano MorisiSofiane M. BoucennaJose W.f. Valle

subject

PhysicsNuclear and High Energy PhysicsParticle physicsSterile neutrinoDark matterHigh Energy Physics::PhenomenologyFísicaAstrophysics::Cosmology and Extragalactic AstrophysicsLepton numberSeesaw mechanismBaryon asymmetryLeptogenesisddc:530NeutrinoMajoron

description

We propose that inflation and dark matter have a common origin, connected to the neutrino mass generation scheme. As a model we consider spontaneous breaking of global lepton number within the seesaw mechanism. We show that it provides an acceptable inflationary scenario consistent with the recent cosmic microwave background B-mode observation by the BICEP2 experiment. The scheme may also account for the baryon asymmetry of the Universe through leptogenesis for reasonable parameter choices.

10.1103/physrevd.90.055023http://hdl.handle.net/10550/53010