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SUMMARY:A conclusive test of cold dark matter - Carlos Frenk (Durham)
DTSTART:20171120T130000Z
DTEND:20171120T140000Z
UID:TALK81461@talks.cam.ac.uk
CONTACT:Tobias Baldauf
DESCRIPTION:The ``Lambda cold dark matter'' (LCDM) cosmological model is o
 ne of\nthe great achievements in Physics of the past thirty\nyears. Theore
 tical predictions formulated in the 1980s turned out to\nagree remarkably 
 well with measurements\, performed decades later\, of\nthe galaxy distribu
 tion and the temperature structure of the microwave\nbackground radiation.
  Yet\, these successes do not inform us directly\nabout the nature of the 
 dark matter. Indeed\, there are competing (and\ncontroversial) claims that
  the dark matter might have already been\ndiscovered\, either through the 
 annihilation of cold\, or the decay of\nwarm\, dark matter particles. In a
 strophysics the identity of the dark\nmatter manifests itself clearly in t
 he properties of dwarf galaxies\,\nsuch as the satellites of the Milky Way
 .  I will discuss predictions\nfrom cosmological simulations assuming cold
  and warm (in the form of\nsterile neutrinos) dark matter and show how ast
 ronomical observations\ncan conclusively distinguish between the two.
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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