Darmstadt 2016 – scientific programme
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HK: Fachverband Physik der Hadronen und Kerne
HK 35: Astroparticle Physics I
HK 35.1: Group Report
Wednesday, March 16, 2016, 14:00–14:30, S1/01 A02
Status of the XENON experiment — •Teresa Marrodan Undagoitia for the XENON collaboration — Max-Planck-Institut für Kernphysik
The XENON100 detector at the Gran Sasso Underground Laboratory in Italy has been searching for dark matter during the last years. Its data has lead to some of the most constraining upper limits on the WIMP-nucleon interaction cross section. To improve the sensitivity by two orders of magnitude and hopefully measure interactions of dark matter, the larger XENON1T experiment has been constructed. It is also a liquid xenon time-projection chamber containing a total mass of ∼ 3.5 tons. The goal is to achieve a spin-independent cross section sensitivity at ∼ 2 × 1047 cm2 for a WIMP mass of 50 GeV/c2. To this end, in addition to an increased target mass, all background contributions have been reduced compared to XENON100. This talk will describe the design and commissioning of the XENON1T detector and its subsystems. First data is expected in 2016.