DarkSide Document 2225-v2

DarkSide general talk at TAUP 2017

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Document type:
External Talk
Submitted by:
Peter Meyers
Updated by:
Peter Meyers
Document Created:
18 Jul 2017, 12:50
Contents Revised:
28 Jul 2017, 12:27
Metadata Revised:
28 Aug 2017, 04:24
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DarkSide uses dual-phase Liquid Argon Time Projection Chambers to search for WIMP dark matter.
The current experiment, DarkSide-50, has a 50-kg-active-mass TPC surrounded by a borated-liquid scintillator neutron detector and a water Cherenkov detector. DarkSide-50 has been running continuously since 2013, initially with atmospheric argon and then, starting in mid-2015, with argon from underground. The underground argon (UAr) is measured to contain lower Ar-39, the largest source of background, than atmospheric argon by a factor of >1000. After initial analyses of 50 live-days of atmospheric argon and 70 live-days of UAr, we have now collected 500 live-days of additional WIMP search data with UAr. This is being analyzed in a blind analysis. The proposed next stage of the DarkSide program is DarkSide-20k, a 20-tonne fiducial mass TPC designed to have background well below that from coherent scattering of solar and atmospheric neutrinos.
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