Abstract
The XENON100 experiment aims at the direct detection of cold dark matter particles via their collisions with xenon nuclei. The detector is a two-phase xenon time projection chamber, with an active target mass of 65 kg, shielded by 105 kg of liquid xenon as scintillator veto. Additional passive shielding surrounds the target to reduce the gamma and neutron induced background. The experiment is located underground in the Gran Sasso National Laboratory (LNGS) and is in the final stage of commissioning. I will summarize the status and sensitivity reach of the experiment, as well as the current plan for an upgrade.
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