Inflation, baryogenesis and gravitino dark matter at ultra low reheat temperatures

Details Inflation, baryogenesis and gravitino dark matter at ultra low reheat temperatures Inflation, baryogenesis and gravitino dark matter at ultra low reheat temperatures

2009-05-11

arxiv.org/abs/0905.1625v1

Phys.Rev.D80:103504,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages

Scientific paper

10.1103/PhysRevD.80.103504

It is quite possible that the reheat temperature of the universe is extremely low close to the scale of Big Bang nucleosynthesis, i.e. $T_{R}\sim 1-10$ MeV. At such low reheat temperatures generating matter anti-matter asymmetry and synthesizing dark matter particles are challenging issues which need to be addressed within a framework of beyond the Standard Model physics. In this paper we point out that a successful cosmology can emerge naturally provided the R-parity violating interactions are responsible for the excess in baryons over anti-baryons and at the same time they can explain the longevity of dark matter with the right abundance.

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