Gravitino cosmology with a very light neutralino

It has been shown that very light or even massless neutralinos are consistent with all current experiments, given non-universal gaugino masses. Furthermore, a very light neutralino is consistent with astrophysical bounds from supernov{\ae} and cosmological bounds on dark matter. Here we study the co...

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Bibliographic Details
Main Authors: Dreiner, H, Hanussek, M, Kim, J, Sarkar, S
Format: Journal article
Language:English
Published: 2011