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SUMMARY:The structure of (mostly dark) halos - Prof. Carlos Frenk\, Univer
 sity of Durham
DTSTART:20090521T153000Z
DTEND:20090521T163000Z
UID:TALK16439@talks.cam.ac.uk
CONTACT:scott chapman
DESCRIPTION:The standard model of cosmology -- the ``Lambda cold dark matt
 er'' model -- is based on the idea that the dark matter is a collisionless
  elementary particle\, probably a supersymmetric particle. This model has 
 been famously\nverified by observations of the cosmic microwave background
  radiation and the large-scale distribution of galaxies. However\, the mod
 el has yet to be\ntested conclusively on the small scales appropriate to m
 ost astronomical objects\, such as galaxies and clusters. I will review ou
 r current understanding of the distribution of dark matter on small scales
  which\nderives largely from large cosmological N-body simulations and I w
 ill discuss prospects for detecting dark matter\, either through its\ngrav
 itational effect on galaxies and clusters or\, more directly\, through gam
 ma-ray annihilation radiation.\n\n
LOCATION:Sackler Lecture Theatre\, IoA (tea at 4.00 pm)
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