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DarkSide-50 532-day dark matter search with low-radioactivity argon
Agnes, P Albuquerque, IFM Alexander, T Alton, AK Araujo, GR Ave, M Back, HO Baldin, B Batignani, G Biery, K
Agnes, P
Albuquerque, IFM
Alexander, T
Alton, AK
Araujo, GR
Ave, M
Back, HO
Baldin, B
Batignani, G
Biery, K
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Journal Article
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2018-01-01
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10.1103/PhysRevD.98.102006
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© 2018 American Physical Society. The DarkSide-50 direct-detection dark matter experiment is a dual-phase argon time projection chamber operating at Laboratori Nazionali del Gran Sasso. This paper reports on the blind analysis of a (16 660±270) kg d exposure using a target of low-radioactivity argon extracted from underground sources. We find no events in the dark matter selection box and set a 90% C.L. upper limit on the dark matter-nucleon spin-independent cross section of 1.14×10-44 cm2 (3.78×10-44 cm2, 3.43×10-43 cm2) for a WIMP mass of 100 GeV/c2 (1 TeV/c2, 10 TeV/c2).
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Physical Review D
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