Constraints on cosmologically regenerated gravitinos

Details Constraints on cosmologically regenerated gravitinos Constraints on cosmologically regenerated gravitinos

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phlb..158..463j&link_type=abstract

Physics Letters B, Volume 158, Issue 6, p. 463-467.

Physics

81

Scientific paper

Cosmological constraints on the regenerated abundance of gravitinos as a function of the maximum reheating temperature Th are examined. We combine the bound that arises in order for stable photinos produced by gravitino decays to not overdominate the mass density of the universe together with that inferred from the distortions produced in the cosmic microwave background radiation as well as constraints from the observed deuterium and 3He abundances. This suffices to constrain Th to be below between 1017 and 1010 GeV for gravitions in the mass below ~ 10 TeV. More massive gravitinos, however, could be produced at Th<1014 GeV.
Also at Department of Physics, University of California, Berkeley, CA 94720, USA.

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