Reconciling dark matter and neutrino masses in mSUGRA

Details Reconciling dark matter and neutrino masses in mSUGRA Reconciling dark matter and neutrino masses in mSUGRA

2009-05-14

arxiv.org/abs/0905.2394v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Proceedings of the XLIVth Rencontres de Moriond, Electroweak interactions and unified theories

Scientific paper

We study the minimal SUGRA phenomenology in the case of an alternative seesaw mechanism for generating neutrino masses. Changes in the neutrino sector lead to a modification of the supersymmetric particle spectrum and the sneutrino naturally arises as the lightest supersymmetric particle. The obtained sneutrino has a relic density within the WMAP range and is compatible with present nuclear recoil bounds.

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