Dark Matter and Yukawa Unification with Massive Neutrinos

Details Dark Matter and Yukawa Unification with Massive Neutrinos Dark Matter and Yukawa Unification with Massive Neutrinos

2009-01-27

arxiv.org/abs/0901.4332v2

AIP Conf.Proc.1115:273-278,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

Proceedings of 4th International Workshop on the Dark Side of the Universe (DSU 2008), Cairo, June 2008. 7 pages, 4 figures

Scientific paper

10.1063/1.3131510

We revisit the WMAP dark matter constraints on Yukawa Unification in the presence of massive neutrinos. The large neutrino mixing indicated by the data modifies the predictions for the bottom quark mass, and enables Yukawa also for large $\tan\beta$, and for positive $\mu$ that were previously disfavoured. As a result, the allowed parameter space for neutralino dark matter also increases, particularly for areas with resonant enhancement of the neutralino relic density.

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