Current status of the dark matter experiment DarkSide-50
- Marini, L.
- Pagani, L.
- Agnes, P.
- Alexander, T.
- Alton, A.
- Arisaka, K.
- Back, H. O.
- Baldin, B.
- Biery, K.
- Bonfini, G.
- Bossa, M.
- Brigatti, A.
- Brodsky, J.
- Budano, F.
- Cadonati, L.
- Calaprice, F.
- Canci, N.
- Candela, A.
- Cao, H.
- Cariello, M.
- Cavalcante, P.
- Chavarria, A.
- Chepurnov, A.
- Cocco, A. G.
- D'Angelo, D.
- D'Incecco, M.
- Davini, S.
- De Deo, M.
- Derbin, A.
- Devoto, A.
- Di Eusanio, F.
- Di Pietro, G.
- Edkins, E.
- Empl, A.
- Fan, A.
- Fiorillo, G.
- Fomenko, K.
- Forster, G.
- Franco, D.
- Gabriele, F.
- Galbiati, C.
- Goretti, A.
- Grandi, L.
- Gromov, M.
- Guan, M. Y.
- Guardincerri, Y.
- Hackett, B.
- Herner, K.
- Humble, P.
- Hungerford, E. V.
- Ianni, Al.
- Ianni, An.
- Jollet, C.
- Keeter, K.
- Kendziora, C.
- Kidner, S.
- Kobychev, V.
- Koh, G.
- Korablev, D.
- Korga, G.
- Kurlej, A.
- Li, P. X.
- Lombardi, P.
- Love, C.
- Ludhova, L.
- Luitz, S.
- Ma, Y. Q.
- Machulin, I.
- Mandarano, A.
- Mari, S.
- Maricic, J.
- Martoff, C. J.
- Meregaglia, A.
- Meroni, E.
- Meyers, P. D.
- Milincic, R.
- Montanari, D.
- Montuschi, M.
- Monzani, M. E.
- Mosteiro, P.
- Mount, B.
- Muratova, V.
- Musico, P.
- Nelson, A.
- Odrowski, S.
- Okounkova, M.
- Orsini, M.
- Ortica, F.
- Pallavicini, M.
- Pantic, E.
- Papp, L.
- Parmeggiano, S.
- Parsells, R.
- Pelczar, K.
- Pelliccia, N.
- Perasso, S.
- Pocar, A.
- Pordes, S.
- Pugachev, D.
- Qian, H.
- Randle, K.
- Ranucci, G.
- Razeto, A.
- Reinhold, B.
- Renshaw, A.
- Romani, A.
- Rossi, B.
- Rossi, N.
- Rountree, S. D.
- Sablone, D.
- Saggese, P.
- Saldanha, R.
- Sands, W.
- Sangiorgio, S.
- Segreto, E.
- Semenov, D.
- Shields, E.
- Skorokhvatov, M.
- Smirnov, O.
- Sotnikov, A.
- Stanford, C.
- Suvorov, Y.
- Tartaglia, R.
- Tatarowicz, J.
- Testera, G.
- Tonazzo, A.
- Unzhakov, E.
- Vogelaar, R. B.
- Wada, M.
- Walker, S.
- Wang, H.
- Wang, Y.
- Watson, A.
- Westerdale, S.
- Wojcik, M.
- Wright, A.
- Xiang, X.
- Xu, J.
- Yang, C. G.
- Yoo, J.
- Zavatarelli, S.
- Zec, A.
- Zhu, C.
- Zuzel, G.
DOIAbstract
DarkSide-50 is a dark matter direct search experiment at LNGS, searching for rare nuclear recoils possibly induced by WIMPs. It has two nested vetoes and a dual phase liquid argon TPC as dark matter detector. Key features of this experiment are the use of underground argon as radio-pure target and of muon and neutron active vetoes to suppress the background. The first data-taking campaign was running from November 2013 to April 2015 with an atmospheric argon target and a reduced efficiency neutron veto due to internal contamination. However, an upper limit on the WIMP-nucleon cross section of 6.1×10−44 cm2 at 90% CL was obtained for a WIMP mass of 100 GeV/c2 and an exposure of (1422 ± 67) kg·d. At present DarkSide-50 started a 3 years run...
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