Dark Matters in Axino Gravitino Cosmology

Details Dark Matters in Axino Gravitino Cosmology Dark Matters in Axino Gravitino Cosmology

1993-05-04

arxiv.org/abs/hep-ph/9305208v1

Phys.Rev.Lett.72:1956-1959,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, Latex

Scientific paper

10.1103/PhysRevLett.72.1956

It is suggested that the axino mass in the 1 MeV region and gravitino mass in
the eV region can provide an axino lifetime of order of the time of photon
decoupling. In this case, some undecayed axinos act like cold dark matters and
some axino decay products (gravitinos and hot axions) act like hot dark matters
at the time of galaxy formation.

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