Gravitinos from Gravitational Collapse

Details Gravitinos from Gravitational Collapse Gravitinos from Gravitational Collapse

1997-07-31

arxiv.org/abs/hep-ph/9707536v2

Phys.Rev. D57 (1998) 614-616

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, latex, no figures. Numerical typo corrected

Scientific paper

10.1103/PhysRevD.57.614

We reanalyse the limits on the gravitino mass $m_{3/2}$ in superlight gravitino scenarios derived from arguments on energy-loss during gravitational collapse. We conclude that the mass range $10^{-6}eV\leq m_{3/2}\leq2.3\times10^{-5}eV$ is excluded by SN1987A data. In terms of the scale of supersymmetry breaking $\Lambda$, the range $70GeV\leq\Lambda \leq 300GeV$ is not allowed.

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