DarkSide-50 results and the future liquid argon dark matter program


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DarkSide uses a dual-phase Liquid Argon Time Projection Chamber (TPC) to search for WIMP dark matter. The paper will present the latest result on the search for low mass (MW IMP < 20 Gev/c2) and high mass (MW IMP > 100 Gev/c2) WIMPs from the current experiment, DarkSide-50, running since mid 2015 a 50-kg-active-mass TPC, filled with argon from an underground source. The next stage of the DarkSide program will be a new generation experiment involving a global collaboration from all the current Argon based experiments. DarkSide-20k, is designed as a 20-tonne fiducial mass TPC with SiPM based photosensors, expected to be free of any background for an exposure of >100 ton x years. Like its predecessor DarkSide-20k will be housed at the Gran Sasso (LNGS) underground laboratory, and it is expected to attain a WIMP-nucleon cross section exclusion sensitivity of 1047 cm2 for a WIMP mass of 1 TeV /c2 in a 5 yr run. A subsequent objective, towards the end of the next decade, will be the construction of the ultimate detector, ARGO, with a 300 t fiducial mass to push the sensitivity to the neutrino floor region for high mass WIMPs. The combination of the three experiments, part of a single family, will cover completely the WIMP hypothesis from 1 GeV /c2 to several hundreds of TeV /c2 masses.

Original languageEnglish (US)
Article number077
JournalProceedings of Science
StatePublished - 2019
Event2019 European Physical Society Conference on High Energy Physics, EPS-HEP 2019 - Ghent, Belgium
Duration: Jul 10 2019Jul 17 2019

All Science Journal Classification (ASJC) codes

  • General


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