Neutralino Dark Matter from MSSM Flat Directions in light of WMAP Result

Details Neutralino Dark Matter from MSSM Flat Directions in light of WMAP Result Neutralino Dark Matter from MSSM Flat Directions in light of WMAP Result

2003-08-11

arxiv.org/abs/hep-ph/0308118v1

Phys.Rev. D69 (2004) 035006

Physics

High Energy Physics

High Energy Physics - Phenomenology

32 pages, including 40 figures

Scientific paper

10.1103/PhysRevD.69.035006

The minimal supersymmetric standard model (MSSM) has a truly supersymmetric way to explain both the baryon asymmetry and cold dark matter in the present Universe, that is, ``Affleck-Dine baryo/DM-genesis.'' The associated late-time decay of Q-balls directly connects the origins of the baryon asymmetry and dark matter, and also predicts a specific nature of the LSP. In this paper, we investigate the prospects for indirect detection of these dark matter candidates observing high energy neutrino flux from the Sun, and hard positron flux from the halo. We also update the previous analysis of the direct detection in hep-ph/0205044 by implementing the recent result from WMAP satellite.

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