Cosmological constraints on the scale of supersymmetry breaking

Details Cosmological constraints on the scale of supersymmetry breaking Cosmological constraints on the scale of supersymmetry breaking

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982phrvl..48.1303w&link_type=abstract

Physical Review Letters, vol. 48, May 10, 1982, p. 1303-1306.

Physics

355

Broken Symmetry, Cosmology, Gravitinos, Gravitons, High Energy Interactions, High Gravity Environments, Radioactive Decay, Supersymmetry, Deceleration, Elementary Particle Interactions, Particle Mass

Scientific paper

The gravitino must be either light enough so that ambient gravitinos would not produce too large a cosmic deceleration, or heavy enough so that almost all gravitinos would have decayed before the time of helium synthesis. The second alternative is shown to allow supersymmetry-breaking scales above a model-dependent lower bound of 10 to the 11th to 10 to the 16th GeV.

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