Direct Search for Dark Matter with DarkSide

7th International Symposium on Large TPCs for Low-Energy Rare Event Detection

Agnes, P.^1 ; Alexander, T.^2 ; Alton, A.^3 ; Arisaka, K.^4 ; Back, H.O.^5 ; Baldin, B.^6 ; Biery, K.^6 ; Bonfini, G.^7 ; Bossa, M.^8 ; Brigatti, A.^9 ; Brodsky, J.^5 ; Budano, F.^10 ; Cadonati, L.^2 ; Calaprice, F.^5 ; Canci, N.^5 ; Candela, A.^7 ; Cao, H.^5 ; Cariello, M.^11 ; Cavalcante, P.^7 ; Chavarria, A.^12 ; Chepurnov, A.^13 ; Cocco, A.G.^14 ; Crippa, L.^9 ; D'Angelo, D.^9 ; D'Incecco, M.^7 ; Davini, S.^15 ; De Deo, M.^7 ; Derbin, A.^16 ; Devoto, A.^17 ; Eusanio, F Di^5 ; Pietro, G Di^9 ; Edkins, E.^18 ; Empl, A.^15 ; Fan, A.^14 ; Fiorillo, G.^14 ; Fomenko, K.^19 ; Forster, G.^2 ; Franco, D.^1 ; Gabriele, F.^7 ; Galbiati, C.^5 ; Goretti, A.^5 ; Grandi, L.^12 ; Gromov, M.^13 ; Guan, M.Y.^20 ; Guardincerri, Y.^6 ; Hackett, B.^18 ; Herner, K.^6 ; Hungerford, E.V.^15 ; Ianni, Al^7 ; Ianni, An^5 ; Jollet, C.^21 ; Keeter, K.^22 ; Kendziora, C.^6 ; Kidner, S.^23 ; Kobychev, V.^24 ; Koh, G.^5 ; Korablev, D.^19 ; Korga, G.^15 ; Kurlej, A.^2 ; Li, P.X.^20 ; Loer, B.^5 ; Lombardi, P.^9 ; Love, C.^25 ; Ludhova, L.^9 ; Luitz, S.^25 ; Ma, Y.Q.^20 ; Machulin, I.^27,28 ; Mandarano, A.^10 ; Mari, S.^10 ; Maricic, J.^18 ; Marini, L.^10 ; Martoff, C.J.^25 ; Meregaglia, A.^21 ; Meroni, E.^9 ; Meyers, P.D.^5 ; Milincic, R.^18 ; Montanari, D.^6 ; Montuschi, M.^7 ; Monzani, M.E.^26 ; Mosteiro, P.^5 ; Mount, B.^22 ; Muratova, V.^16 ; Musico, P.^11 ; Nelson, A.^5 ; Odrowski, S.^7 ; Okounkova, M.^5 ; Orsini, M.^7 ; Ortica, F.^29 ; Pagani, L.^11 ; Pallavicini, M.^11 ; Pantic, E.^4,30 ; Papp, L.^23 ; Parmeggiano, S.^9 ; Parsells, R.^5 ; Pelczar, K.^31 ; Pelliccia, N.^29 ; Perasso, S.^1 ; Pocar, A.^2 ; Pordes, S.^6 ; Pugachev, D.^27 ; Qian, H.^5 ; Randle, K.^2 ; Ranucci, G.^9 ; Razeto, A.^7 ; Reinhold, B.^18 ; Renshaw, A.^4 ; Romani, A.^29 ; Rossi, B.^5,14 ; Rossi, N.^7 ; Rountree, S.D.^23 ; Sablone, D.^15 ; Saggese, P.^7 ; Saldanha, R.^12 ; Sands, W.^5 ; Sangiorgio, S.^32 ; Segreto, E.^7 ; Semenov, D.^16 ; Shields, E.^5 ; Skorokhvatov, M.^27,28 ; Smirnov, O.^19 ; Sotnikov, A.^19 ; Stanford, C.^5 ; Suvorov, Y.^4 ; Tartaglia, R.^7 ; Tatarowicz, J.^25 ; Testera, G.^11 ; Tonazzo, A.^1 ; Unzhakov, E.^16 ; Vogelaar, R.B.^23 ; Wada, M.^5 ; Walker, S.^14 ; Wang, H.^4 ; Wang, Y.^20 ; Watson, A.^25 ; Westerdale, S.^5 ; Wojcik, M.^31 ; Wright, A.^5 ; Xiang, X.^5 ; Xu, J.^5 ; Yang, C.G.^20 ; Yoo, J.^6 ; Zavatarelli, S.^11 ; Zec, A.^2 ; Zhu, C.^5 ; Zuzel, G.^31

APC, Université Paris Diderot, Sorbonne Paris Cité, Paris

75205, France^1

Amherst Center for Fundamental Interactions and Physics Department, University of Massachusetts, Amherst

MA

01003, United States^2

Physics and Astronomy Department, Augustana College, Sioux Falls

SD

57197, United States^3

Physics and Astronomy Department, University of California, Los Angeles

CA

90095, United States^4

Department of Physics, Princeton University, Princeton

NJ

08544, United States^5

Fermi National Accelerator Laboratory, Batavia

IL

60510, United States^6

Laboratori Nazionali Del Gran Sasso, Assergi (AQ)

67010, Italy^7

Gran Sasso Science Institute, L'Aquila

67100, Italy^8

Physics Department, Università Degli Studi, INFN, Milano

20133, Italy

(10) Physics Department, Università Degli Studi Roma Tre, INFN, Roma

00146, Italy

(11) Physics Department, Università Degli Studi, INFN, Genova

16146, Italy

(12) Kavli Institute, Enrico Fermi Institute, Dept. of Physics, University of Chicago, Chicago

IL

60637, United States

(13) Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow

119991, Russia

(14) Physics Department, Università Degli Studi Federico II, INFN, Napoli

80126, Italy

(15) Department of Physics, University of Houston, Houston

TX

77204, United States

(16) St. Petersburg Nuclear Physics Institute, Gatchina

188350, Russia

(17) Physics Department, Università Degli Studi, INFN, Cagliari

09042, Italy

(18) Department of Physics and Astronomy, University of Hawai'i, Honolulu

HI

96822, United States

(19) Joint Institute for Nuclear Research, Dubna

141980, Russia

(20) Institute of High Energy Physics, Beijing

100049, China

(21) IPHC, Université de Strasbourg, CNRS, IN2P3, Strasbourg

67037, France

(22) School of Natural Sciences, Black Hills State University, Spearfish

SD

57799, United States

(23) Physics Department, Virginia Tech, Blacksburg

VA

24061, United States

(24) Institute for Nuclear Research, National Academy of Sciences of Ukraine, Kiev

03680, Ukraine

(25) Physics Department, Temple University, Philadelphia

PA

19122, United States

(26) SLAC National Accelerator Laboratory, Menlo Park

CA

94025, United States

(27) National Research Centre, Kurchatov Institute, Moscow

123182, Russia

(28) National Research Nuclear University, MEPhI (Moscow Engineering Physics Institute), Moscow

115409, Russia

(29) Chemistry, Biology and Biotechnology Department, Universita Degli Studi, INFN, Perugia

06123, Italy

(30) Physics Department, University of California, Davis

CA

95616, United States

(31) Smoluchowski Institute of Physics, Jagiellonian University, Krakow

30059, Poland

(32) Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore

CA

94550, United States^9

关键词: Atmospheric argon;    Current detector;    Dark matter searches;    Direct detection;    Direct search;    Liquid organic scintillator;    Phase liquids;    Water Cherenkov detectors;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/650/1/012006/pdf
DOI  :  10.1088/1742-6596/650/1/012006

来源: IOP

【 摘 要 】

The DarkSide experiment is designed for the direct detection of Dark Matter with a double phase liquid Argon TPC operating underground at Laboratori Nazionali del Gran Sasso. The TPC is placed inside a 30 tons liquid organic scintillator sphere, acting as a neutron veto, which is in turn installed inside a 1 kt water Cherenkov detector. The current detector is running since November 2013 with a 50 kg atmospheric Argon fill and we report here the first null results of a Dark Matter search for a (1422 ± 67) kg.d exposure. This result correspond to a 90% CL upper limit on the WIMP-nucleon cross section of 6.1 × 10-44cm2(for a WIMP mass of 100 GeV/c2) and it's currently the most sensitive limit obtained with an Argon target.