Neutralino dark matter detection beyond the MSSM
arXiv:1005.2116
Abstract
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.
To appear in the proceedings of 45rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, March 6 to 13, 2010
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