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T: Fachverband Teilchenphysik

T 77: Suche nach dunkler Materie IV

T 77.1: Gruppenbericht

Donnerstag, 22. März 2018, 16:30–16:50, Philo-HS5

Latest Dark Matter Results of XENON1T — •Constanze Hasterok — Max-Planck-Institut für Kernphysik

Weakly interacting massive particles (WIMPs) are a very popular explanation for the nature of dark matter. The XENON1T experiment aims for the direct detection of WIMP-nucleon interactions using a dual phase time projection chamber (TPC) with a liquid xenon target of 3.5 tons. With the data taken during the first science run of 34.2 live days the experiment could impose the most stringent upper limit on spin-independent WIMP-nucleon cross-sections with 7.7 · 10⁽⁻⁴⁷⁾ cm² at a mass of 35 GeV. This unprecedented sensitivity is further exploited in the second science run for which about 7 times more data has been acquired during the course of last year. After an overview on the XENON1T experiment the talk will present the latest WIMP search results and the prospects of the detector upgrade XENONnT.