Sneutrino cold dark matter in extended MSSM models
arXiv:0805.1991
Abstract
A thorough analysis of sneutrinos as dark matter candidates is performed, in different classes of supersymmetric models, as is typically done for the neutralino dark matter. First in the Minimal Supersymmetric Standard Model, sneutrinos are marginally compatible with existing experimental bounds, including direct detection, provided they compose a subdominant component of dark matter. Then supersymmetric models with the inclusion of right-handed fields and lepton number violating terms are presented. These models are perfectly viable: they predict sneutrinos which are compatible with the current direct detection sensitivities.
4 pages, 2 figures, Prepared for Moriond EW session 2008, La Thuile, Italy, 1-8 March 2008
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- Mixed sneutrino dark matter in light of the 2011 XENON and LHC results
- The right-handed sneutrino as thermal dark matter in U(1) extensions of the MSSM
- Chargino and neutralino production at the Large Hadron Collider in left-right supersymmetric models