Würzburg 2018 – scientific programme

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T: Fachverband Teilchenphysik

T 52: Suche nach dunkler Materie III

T 52.2: Group Report

Wednesday, March 21, 2018, 16:50–17:10, Philo-HS5

DARWIN – The Ultimate WIMP Detector — •Fabian Kuger — Albert-Ludwigs Universität, Freiburg, Germany

The DARWIN (DARk matter WIMP search with liquid xenoN) experiment, a 40 t target mass liquid Xenon time projection chamber, will be the next-to-next generation direct search dark matter detector. It will reach a sensitivity to WIMP nuclear recoil cross-sections at the level of the "ultimate" irreducible coherent scattering background induced by solar and atmospheric neutrinos, probing the entire experimentally accessible parameter space for WIMP masses above a few GeV/c². Besides its excellent sensitivity to WIMP dark matter, DARWIN will explore a plethora of science channels in astroparticle and nuclear physics, e.g., the neutrinoless double beta decay of ¹³⁶Xe.

The DARWIN Collaboration currently performs R & D and design studies to investigate potential improvements to the detector baseline design. This talk will provide an overview on the science program of DARWIN and introduce its baseline design. The technical challenges owed to the detector size and its requirements in terms of detector backgrounds will be addressed. Some of the technological alternatives currently under study are showcased briefly.