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Construction of the DEAP-3600 Dark Matter detector and first commissioning results

Dr. Tina Pollmann (Laurentian University, Sudbury, Ontario/Canada)

Datum:  18.06.2015 16:00 Uhr – 17:00 Uhr

Ort: Seminar room 127 (Physics Department TUM, Physik II, ground floor/north)

The DEAP-3600 experiment, located 2 km underground at SNOLAB in Sudbury, Canada, uses a 3.6 ton (1 ton fiducial) single-phase liquid argon target to search for Dark Matter particles in the form of WIMPs. The projected sensitivity to the spin-independent WIMP-nucleon scattering cross-section is 10-46 cm2, about one order of magnitude improvement over current searches at 100 GeV WIMP mass. Beside locating the detector deep underground, this high sensitivity is achieved through careful detector design, material selection, and pulse shape discrimination. We present the overall design and construction highlights of the DEAP-3600 detector and first commissioning results.

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