Detector characterization, electronic-recoil energy scale and astrophysical 
independent results in XENON100

Rauch, Ludwig Franz

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Detector characterization, electronic-recoil energy scale and astrophysical independent results in XENON100

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Rauch, Ludwig Franz
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Rauch, L. F. (2014). Detector characterization, electronic-recoil energy scale and astrophysical independent results in XENON100. Master Thesis, Ruprecht-Karls-Universität, Heidelberg.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-3C24-5

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.