COLLOQUIUM - Results from Dark Matter direct detection experiments and their interpretation

Monday January 30th 2012, 12 pm - Seminar room

Speaker: Thomas Schwetz-Mangold (Max-Planck-Institute for Nuclear Physics)

Abstract: Identifying the nature of the Dark Matter (DM) in our Universe is one of the major open questions in todays astroparticle physics.

The search for interactions of DM particles in undergound detectors is an important pilar towards this goal. After an introduction to the DM problem the hypothesis that DM is a Weakly Interacting Massive Particle (WIMP) is motivated. I present the phenomenology of DM direct detection experiments and discuss recent developements in the field. I argue that present sensitivities of the XENON100 experiment are crucially testing the WIMP hypothesis. Furthermore, I discuss claims for positive signals (DAMA, CoGeNT, CRESST) and potential interpretation in terms of DM.



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