Gravitino Overproduction through Moduli Decay

Details Gravitino Overproduction through Moduli Decay Gravitino Overproduction through Moduli Decay

1998-04-27

arxiv.org/abs/hep-ph/9804411v1

Prog.Theor.Phys. 100 (1998) 395-398

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, latex

Scientific paper

10.1143/PTP.100.395

We derive cosmological constraints on the masses of generic scalar fields which decay only through gravitationally suppressed interactions into unstable gravitinos and ordinary particles in the supersymmetric standard model. For the gravitino mass 100GeV-1TeV, the scalar masses should be larger than 100TeV to keep the success of big-bang nucleosynthesis if no late-time entropy production dilutes the gravitino density.

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