Direct and Indirect Detection of Dark Matter in Heterotic Orbifold Models

Details Direct and Indirect Detection of Dark Matter in Heterotic Orbifold Models Direct and Indirect Detection of Dark Matter in Heterotic Orbifold Models

2003-12-11

arxiv.org/abs/hep-ph/0312155v2

Astropart.Phys.22:1-18,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

29 pages, 13 figures. Notations clarified, figures improved, typos and english corrected

Scientific paper

10.1016/j.astropartphys.2004.05.

We study the neutralino dark matter phenomenology in the context of effective field theories derived from the weakly--coupled heterotic string. We consider in particular direct detection and indirect detection with neutrino telescopes rates. The two cases of moduli dominated and dilaton dominated SUSY breaking lead to completely different phenomenologies. Even if in both cases relic density constraints can be fulfilled, moduli domination generically leads to detection rates which are much below the present and future experimental sensitivities, whereas dilaton domination gives high detection rates accessible to the next generation of experiments. This could make dark matter searches an alternative way to constrain high energy fundamental parameters.

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