NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS(2017)
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摘要
The DarkSide experiment aims to perform a background-free direct search for dark matter with a dual-phase argon TPC. The current phase of the experiment, DarkSide-50, is acquiring data at Laboratori Nazionali del Gran Sasso and produced the most sensitive limit on the WIMP-nucleon cross section ever obtained with a liquid argon target (2.0 x 10(-44) cm(2) for a WIMP mass of 100 GeV/c(2)). The future phase of the experiment will be a 20 t fiducial mass detector, designed to reach a sensitivity of similar to 1 x 10(-47) cm(2) (at 1TeV/c(2) WIMP mass) with a background-free exposure of 100 ty. This work contains a discussion of the current status of the DarkSide-50 WIMP search and of the results which are more relevant for the construction of the future detector.