Neutralino dark matter detection beyond the MSSM

Details Neutralino dark matter detection beyond the MSSM Neutralino dark matter detection beyond the MSSM

2010-05-12

arxiv.org/abs/1005.2116v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in the proceedings of 45rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy,

Scientific paper

The addition of non-renormalizable terms involving the Higgs fields to the MSSM ameliorates the little hierarchy problem of the MSSM. For neutralino dark matter, new regions for which the relic abundance of the LSP is consistent with WMAP (as the bulk region and the stop coannihilation region) are now permitted. In this framework, we analyze in detail first the direct dark matter detection prospects in a XENON-like experiment; then we study the capability of detecting gamma-rays produced in the annihilation of neutralino LSPs in the FERMI satellite.

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