DarkSide-50 532-day dark matter search with low-radioactivity argon

Bonivento, W.;Cadeddu, M.;Cadoni, M.;Caravati, M.;Cicalò, C.;Devoto, A.;Fiorillo, G.;Gabriele, F.;Galbiati, C.;Lai, M.;Lissia, M.;Messina, A.;
2018-01-01

Abstract

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).
2018
Inglese
98
10
17
Esperti anonimi
internazionale
scientifica
Physics and astronomy (miscellaneous)
Agnes, P.; Albuquerque, I. F. M.; Alexander, T.; Alton, A. K.; Araujo, G. R.; Ave, M.; Back, H. O.; Baldin, B.; Batignani, G.; Biery, K.; Bocci, V.; B ...espandi
1.1 Articolo in rivista
info:eu-repo/semantics/article
1 Contributo su Rivista::1.1 Articolo in rivista
262
174
reserved
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