Dark Matter in Anomalous U(1)' Models with neutral mixing
Abstract
We study the lightest masses in the fermionic sector of an anomalous U(1)' extension of the minimal supersymmetric standard model inspired by brane constructions. The LSP of this model is an XWIMP (extremely weak interaction particle) which is shown to have a relic density satisfying WMAP data. This computation is carried out numerically after having adapted the DarkSUSY package to our case.
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