학술논문

DarkSide-50 532-day Dark Matter Search with Low-Radioactivity Argon
Document Type
Working Paper
Author
The DarkSide CollaborationAgnes, 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.Canci, N.Candela, A.Caravati, M.Cariello, M.Carlini, M.Carpinelli, M.Catalanotti, S.Cataudella, V.Cavalcante, P.Cavuoti, S.Chepurnov, A.Cicalò, C.Cocco, A. G.Covone, G.D'Angelo, D.D'Incecco, M.D'Urso, D.Davini, S.De Candia, A.De Cecco, S.De Deo, M.De Filippis, G.De Rosa, G.De Vincenzi, M.Derbin, A. V.Devoto, A.Di Eusanio, F.Di Pietro, G.Dionisi, C.Downing, M.Edkins, E.Empl, A.Fan, A.Fiorillo, G.Fitzpatrick, R. S.Fomenko, K.Franco, D.Gabriele, F.Galbiati, C.Ghiano, C.Giagu, S.Giganti, C.Giovanetti, G. K.Gorchakov, O.Goretti, A. M.Granato, F.Gromov, M.Guan, M.Guardincerri, Y.Gulino, M.Hackett, B. R.Herner, K.Hosseini, B.Hughes, D.Humble, P.Hungerford, E. V.Ianni, An.Ippolito, V.James, I.Johnson, T. N.Keeter, K.Kendziora, C. L.Kochanek, I.Koh, G.Korablev, D.Korga, G.Kubankin, A.Kuss, M.La Commara, M.Lai, M.Li, X.Lissia, M.Longo, G.Ma, Y.Machado, A. A.Machulin, I. N.Mandarano, A.Mapelli, L.Mari, S. M.Maricic, J.Martoff, C. J.Messina, A.Meyers, P. D.Milincic, R.Monte, A.Morrocchi, M.Mount, B. J.Muratova, V. N.Musico, P.Agasson, A. NavrerNozdrina, A. O.Oleinik, A.Orsini, M.Ortica, F.Pagani, L.Pallavicini, M.Pandola, L.Pantic, E.Paoloni, E.Pelczar, K.Pelliccia, N.Pocar, A.Pordes, S.Poudel, S. S.Pugachev, D. A.Qian, H.Ragusa, F.Razeti, M.Razeto, A.Reinhold, B.Renshaw, A. L.Rescigno, M.Riffard, Q.Romani, A.Rossi, B.Rossi, N.Sablone, D.Samoylov, O.Sands, W.Sanfilippo, S.Savarese, C.Schlitzer, B.Segreto, E.Semenov, D. A.Shchagin, A.Sheshukov, A.Singh, P. N.Skorokhvatov, M. D.Smirnov, O.Sotnikov, A.Stanford, C.Stracka, S.Suvorov, Y.Tartaglia, R.Testera, G.Tonazzo, A.Trinchese, P.Unzhakov, E. V.Verducci, M.Vishneva, A.Vogelaar, B.Wada, M.Waldrop, T. J.Wang, H.Wang, Y.Watson, A. W.Westerdale, S.Wojcik, M. M.Xiang, X.Xiao, X.Yang, C.Ye, Z.Zhu, C.Zuzel, G.
Source
Phys. Rev. D 98, 102006 (2018)
Subject
Astrophysics - Cosmology and Nongalactic Astrophysics
Astrophysics - Instrumentation and Methods for Astrophysics
Language
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).
Comment: 17 pages, 13 figures. V3 changes: updates for clarity for publication, additional figure