Gravitino dark matter in brane-world cosmology

Details Gravitino dark matter in brane-world cosmology Gravitino dark matter in brane-world cosmology

2007-01-27

arxiv.org/abs/hep-ph/0701233v3

JCAP 0705:016,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

Improved version with minor corrections, to appear in JCAP

Scientific paper

10.1088/1475-7516/2007/05/016

The gravitino dark matter hypothesis in the brane cosmology is studied. The theoretical framework is the CMSSM for particle physics and RS II brane model for gravity. It is found that the gravitino can play the role of dark matter in the universe and we determine what the gravitino mass should be for different values of the five-dimensional Planck mass. An upper bound is obtained for the latter.

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