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} cm^2 (3.78 × 10^{−44} cm^2, 3.43 × 10^{−43} cm^2) for a WIMP mass of 100 GeV/c^2 (1 TeV/c^2, 10 TeV/c^2).
DarkSide-50 532-day dark matter search with low-radioactivity argon / 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., Bonfini, G., Bonivento, W., Bottino, B., Budano, F., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., et al.. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - 98:10(2018). [10.1103/PhysRevD.98.102006]
DarkSide-50 532-day dark matter search with low-radioactivity argon
Cataudella, V.;Cavuoti, S.Membro del Collaboration Group
;Covone, G.;De Candia, A.;De Filippis, G.
Membro del Collaboration Group
;De Rosa, G.;Fiorillo, G.;La Commara, M.;Longo, G.;Suvorov, Y.;
2018
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} cm^2 (3.78 × 10^{−44} cm^2, 3.43 × 10^{−43} cm^2) for a WIMP mass of 100 GeV/c^2 (1 TeV/c^2, 10 TeV/c^2).I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
