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Looking for a Heavy Higgsino LSP in Collider and Dark Matter Experiments
Utpal Chattopadhyay, Debajyoti Choudhury, Manuel Drees +2
A large part of the mSUGRA parameter space satisfying the WMAP constraint on the dark matter relic density corresponds to a higgsino LSP of mass TeV. We find a promising…
Neutralino Dark Matter in 2005
Manuel Drees
I summarize some recent work on supersymmetric neutralinos as candidates for cold Dark Matter in the Universe. This includes a new scan of mSUGRA parameter space, with special emph…
Neutralino Dark Matter in mSUGRA: reopening the light Higgs pole window
Abdelhak Djouadi, Manuel Drees, Jean-Loic Kneur
The requirement that the lightest neutralino has the right thermal relic density to explain all Dark Matter in the universe strongly constrains the parameter space of…
A Supersymmetric Explanation of the Excess of Higgs-Like Events at LEP
Manuel Drees
Searches for the Standard Model Higgs boson by the four LEP experiments found excess events in two mass ranges: a 2.3 sigma excess around 98 GeV, and an 1.7 sigma excess around 115…
Some Comments on "Split" Supersymmetry
Manuel Drees
An argument against tolerating finetuning in the Higgs sector is presented, by emphasizing the difference between (well understood) quantum corrections to scalar masses and the (un…