CMB constraints on non-thermal leptogenesis
arXiv:hep-ph/0308020 · doi:10.1016/j.physletb.2003.11.032
Abstract
Leptogenesis is at the heart of particle cosmology which requires physics beyond the Standard Model. There are two possibilities of realizing leptogenesis; thermal and non-thermal. Both are viable given the scale of inflation and the constraint on the reheat temperature. However non-thermal leptogenesis can leave its imprint upon cosmic micro wave background radiation. In this paper we will discuss cosmological constraints on non-thermal leptogenesis scenarios within supersymmetry.
8 pages, shortened version, to appear in PLB. Just one ref. added
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- Sneutrino condensate source for density perturbations, leptogenesis and low reheat temperature
- Non-thermal Leptogenesis and a Prediction of Inflaton Mass in a Supersymmetric SO(10) Model
- Scenarios of modulated perturbations
- SO(10) GUT in Four and Five Dimensions: A Review
- Gravitino production from reheating in split supersymmetry
- Dynamical Relaxation of the Cosmological Constant and Matter Creation in the Universe
- Sneutrino condensate as a candidate for the hot big bang cosmology
- Validity of quasi-degenerate neutrino mass models and their predictions on baryogenesis
- TeV Scale Leptogenesis in B-L Model with Alternative Cosmologies
- Non-thermal production of lepton asymmetry and dark matter in minimal seesaw with right handed neutrino induced Higgs potential
- Non-thermal leptogenesis and baryon asymmetry in different neutrino mass models
- Remote Inflation as hybrid-like sneutrino/MSSM inflation
- Non-thermal Leptogenesis in a simple 5D SO(10) GUT
- Non-thermal leptogenesis and gravitino problem in inflaton decay