Minimal supergravity sneutrino dark matter and inverse seesaw neutrino masses

Abstract

We show that within the inverse seesaw mechanism for generating neutrino masses minimal supergravity is more likely to have a sneutrino as the lightest superparticle than the conventional neutralino. We also demonstrate that such schemes naturally reconcile the small neutrino masses with the correct relic sneutrino dark matter abundance and accessible direct detection rates in nuclear recoil experiments.

arXiv comment4 pages, 4 figures

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