Argyro Tasitsiomi (U.Chicago)
"The detectability of DM clumps via Atmospheric Cherenkov telescopes."
High resolution N-body simulations reveal the survival of considerable
substructure within galactic halos. Assuming that the predicted DM
clumps are composed of annihilating neutralinos, we will discuss their
gamma-ray detectability via Atmospheric Cherenkov telescopes
(ACTs). Given the wide range of neutralino parameters, a large part of
our results take the form of constraints on the supersymmetric (SUSY)
parameter space. Thus, if clumps are detected first, e.g., through
their synchrotron emission, their detectability by ACTs impose strong
constraints on the SUSY parameter space. Alternatively, assuming that
the neutralino parameters are figured out first, e.g., through
accelerator experiments, our results constitute tests of the CDM model
predictions with respect both the substructure in galactic halos and
the density profiles of the substructure halos.
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