Dark Matter in SUGRA, Strings and Branes

Details Dark Matter in SUGRA, Strings and Branes Dark Matter in SUGRA, Strings and Branes

2006-10-30

arxiv.org/abs/hep-ph/0610414v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Invited talk at the International Conference "Idenfication of Dark Matter-2006", September 11-16, 2006, Rhodes, Greece. 11 pag

Scientific paper

A brief review is given of dark matter in SUGRA, strings and branes. For SUGRA models the implications of Yukawa coupling unification on dark matter are discussed in the light of $g-2$ and $b\to s\gamma$ constraints. A brief discussion is given of the dark matter in orbifold string compactifications under constraints of modular invariance and radiative breaking of the electroweak symmetry. Finally a new candidate for dark matter - an extra-weakly interacting massive particle or an XWIMP- is discussed. Such dark matter can arise in a wide class of models, including the Stueckelberg extensions of MSSM, in U(1) extensions of MSSM with off diagonal kinetic energy, and possibly in a wider class of models which may have a string/D-brane origin. Satisfaction of the relic density of XWIMPs consistent with WMAP is also discussed.

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