Decaying Hidden Dark Matter in Warped Compactification

Details Decaying Hidden Dark Matter in Warped Compactification Decaying Hidden Dark Matter in Warped Compactification

2009-02-02

arxiv.org/abs/0902.0008v4

JCAP 0909:029,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages; v4, several clarifications added, update on Fermi/HESS results

Scientific paper

10.1088/1475-7516/2009/09/029

The recent PAMELA and ATIC/Fermi/HESS experiments have observed an excess of electrons and positrons, but not anti-protons, in the high energy cosmic rays. To explain this result, we construct a decaying hidden dark matter model in string theory compactification that incorporates the following two ingredients, the hidden dark matter scenario in warped compactification and the phenomenological proposal of hidden light particles that decay to the Standard Model. In this model, on higher dimensional warped branes, various warped Kaluza-Klein particles and the zero-mode of gauge field play roles of the hidden dark matter or mediators to the Standard Model.

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