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Abstract:
For over three years, the XENON100 experiment set the benchmark sensitivity for
the weakly interacting massive particle (WIMP) dark matter candidate, with a crosssection
of 2.0 x 10-45 cm2 at 55 GeV for spin independent interactions. In this thesis
various analysis are introduced to extend the dark matter search with the XENON100
detector. For the science data taken in 2013/2014, studies on the light and charge
yield as well as an optimized correction for the secondary scintillation signal is introduced,
resulting in an increased energy resolution of the detector. Secondly, a method
to determine the charge yield for electromagnetic interactions in liquid xenon with
the XENON100 detector is developed and results are presented. Finally, a method
is used to derive bounds on the WIMP - nucleus interactions, free of astrophysical
uncertainties.
