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DarkSide-50 532-day dark matter search with low-radioactivity argon
Authors
P. Agnes,I. Albuquerque
T. Alexander,A. Alton,G. Araujo,M. Ave,H.O. Back,B. Baldin,G. Batignani,K. Biery,V. Bocci,G. Bonfini,W. Bonivento,B. Bottino,F. Budano,S. Bussino,M. Cadeddu,Mariano Cadoni,F. Calaprice,A. Caminata,N. Canci,A. Candela,M. Caravati,M. Cariello,M. Carlini,M. Carpinelli,S. Catalanotti,V. Cataudella,P. Cavalcante,S. Cavuoti,A. Chepurnov,C. Cicalò,A.G. Cocco,G. Covone,D. D’Angelo,M. D’Incecco,D. D’Urso,S. Davini,A. Candia,S. Cecco,M. Deo,G. Filippis,G. Rosa,M. Vincenzi,A. Derbin,A. Devoto,F. Eusanio,G. Pietro,C. Dionisi,M. Downing,E. Edkins,A. Empl,A. Fan,G. Fiorillo,R. Fitzpatrick,K. Fomenko,D. Franco,F. Gabriele,C. Galbiati,C. Ghiano,S. Giagu,C. Giganti,G. Giovanetti,O.E. Gorchakov,A. Goretti,F. Granato,M. Gromov,M. Guan,Y. Guardincerri,M. Gulino,B. Hackett,K. Herner,B. Hosseini,D. Hughes,P. Humble,E. Hungerford,An. Ianni,V. Ippolito,I. James,T. Johnson,K. Keeter,C. Kendziora,I. Kochanek,G. Koh,D. Korablëv,G. Korga,A. Kubankin,M. Kuss,M. Commara,M. Laí,X. Li,M. Lissia,G. Longo,Y. Ma,A.A. Machado,I. Machulin,A. Mandarano,L. Mapelli,S. Mari,J. Maricic,C. Martoff,A. Messina,P. Meyers,R. Milinčić,A. Monte,M. Morrocchi,B. Mount,V. Muratova,P. Musico,A. Agasson,A. Nozdrina,A. Oleinik,M. Orsini,F. Ortica,L. Pagani,M. Pallavicini,L. Pandola,E. Pantic,E. Paoloni,K. Pelczar,N. Pelliccia,A. Pocar,S. Pordes,S. Poudel,D. Pugachev,Hao Qian,F. Ragusa,M. Razeti,A. Razeto,B. Reinhold,A. Renshaw,M. Rescigno,Q. Riffard,A. Romani,B. Rossi,N. Rossi,D. Sablone,O. Samoylov,W. Sands,S. Sanfilippo,C. Savarese,B. Schlitzer,E. Segreto,Д. Семенов,А.V. Shchagin,A. Sheshukov,P. Singh,M. Skorokhvatov,O. Smirnov,A. Sotnikov,C. Stanford,S. Stracka,Y. Suvorov,R. Tartaglia,G. Testera,A. Tonazzo,P. Trinchese,E. Unzhakov,M. Verducci,A. Vishneva,B. Vogelaar,M. Wada,T. Waldrop,H. Wang,Y. Wang,A. Watson,S. Westerdale,Mariusz Wojcik,X. Xiang,Xiang Xiao,C. Yang,Ziping Ye,C. Zhu,G. Zuzel,Valerio Ippolito,C. Bacci,Corrado Cicalò
+175 authors
,G.K. GiovanettiPublished
Nov 16, 2018
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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 1.14E-44 cm^2 (3.78E-44 cm^2, 3.43E-43 cm^2) for a WIMP mass of 100 GeV/c^2 (1 TeV/c^2, 10 TeV/c^2).
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