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(Referência obtida automaticamente do Web of Science, por meio da informação sobre o financiamento pela FAPESP e o número do processo correspondente, incluída na publicação pelos autores.)

Low-Mass Dark Matter Search with the DarkSide-50 Experiment

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Autor(es):
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Agnes, P. [1] ; Albuquerque, I. F. M. [2] ; Alexander, T. [3] ; Alton, A. K. [4] ; Araujo, G. R. [2] ; Asner, D. M. [5] ; Ave, M. [2] ; Back, H. O. [3] ; Baldin, B. [6] ; Batignani, G. [7, 8] ; Biery, K. [6] ; Bocci, V. [9] ; Bonfini, G. [10] ; Bonivento, W. [11] ; Bottino, B. [12, 13] ; Budano, F. [14, 15] ; Bussino, S. [14, 15] ; Cadeddu, M. [11, 16] ; Cadoni, M. [11, 16] ; Calaprice, F. [17] ; Caminata, A. [12] ; Canci, N. [1, 10] ; Candela, A. [10] ; Caravati, M. [11, 16] ; Cariello, M. [12] ; Carlini, M. [10] ; Carpinelli, M. [18, 19] ; Catalanotti, S. [20, 21] ; Cataudella, V. [20, 21] ; Cavalcante, P. [22, 10] ; Cavuoti, S. [20, 21] ; Cereseto, R. [12] ; Chepurnov, A. [23] ; Cicalo, C. [11] ; Cifarelli, L. [24, 25] ; Cocco, A. G. [20] ; Covone, G. [20, 21] ; D'Angelo, D. [26, 27] ; D'Incecco, M. [10] ; D'Urso, D. [18, 19] ; Davini, S. [12] ; De Candia, A. [20, 21] ; De Cecco, S. [9, 28] ; De Deo, M. [10] ; De Filippis, G. [20, 21] ; De Rosa, G. [20, 21] ; De Vincenzi, M. [14, 15] ; Demontis, P. [18, 19] ; Derbin, A. V. [29] ; Devoto, A. [11, 16] ; Di Eusanio, F. [17] ; Di Pietro, G. [27, 10] ; Dionisi, C. [9, 28] ; Downing, M. [30, 31] ; Edkins, E. [32] ; Empl, A. [1] ; Fan, A. [33] ; Fiorillo, G. [20, 21] ; Fomenko, K. [34] ; Franco, D. [35] ; Gabriele, F. [10] ; Gabrieli, A. [18, 19] ; Galbiati, C. [36, 17] ; Abia, P. Garcia [37] ; Ghiano, Chiara [10] ; Giagu, S. [9, 28] ; Giganti, C. [38] ; Giovanetti, G. K. [17] ; Gorchakov, O. [34] ; Goretti, A. M. [10] ; Granato, F. [39] ; Gromov, M. [23] ; Guan, M. [40] ; Guardincerri, Y. [6] ; Gulino, M. [19, 41] ; Hackett, B. R. [30, 31] ; Hassanshahi, M. H. [10] ; Herner, K. [5] ; Hosseini, B. [11] ; Hughes, D. [17] ; Humble, P. [3] ; Hungerford, E. V. [1] ; Ianni, Al. [10] ; Ianni, An. [10, 17] ; Ippolito, V. [9] ; James, I. [14, 15] ; Johnson, T. N. [42] ; Kahn, Y. [17] ; Keeter, K. [43] ; Kendziora, C. L. [6] ; Kochanek, I. [10] ; Koh, G. [17] ; Korablev, D. [34] ; Korga, G. [1, 10] ; Kubankin, A. [44] ; Kuss, M. [7] ; La Commara, M. [20, 21] ; Lai, M. [11, 16] ; Li, X. [17] ; Lisanti, M. [17] ; Lissia, M. [11] ; Loer, B. [3] ; Longo, G. [20, 21] ; Ma, Y. [40] ; Machado, A. A. [45] ; Machulin, I. N. [46, 47] ; Mandarano, A. [36, 10] ; Mapelli, L. [17] ; Mari, S. M. [14, 15] ; Maricic, J. [32] ; Martoff, C. J. [39] ; Messina, A. [9, 28] ; Meyers, P. D. [17] ; Milincic, R. [32] ; Mishra-Sharma, S. [17] ; Monte, A. [30, 31] ; Morrocchi, M. [7] ; Mount, B. J. [43] ; Muratova, V. N. [29] ; Musico, P. [12] ; Nania, R. [24] ; Agasson, A. Navrer [38] ; Nozdrina, A. O. [46, 47] ; Oleinik, A. [44] ; Orsini, M. [10] ; Ortica, F. [48, 49] ; Pagani, L. [42] ; Pallavicini, M. [12, 13] ; Pandola, L. [19] ; Pantic, E. [42] ; Paoloni, E. [7, 8] ; Pazzona, F. [18, 19] ; Pelczar, K. [10] ; Pelliccia, N. [48, 49] ; Pesudo, V. [37] ; Pocar, A. [30, 31] ; Pordes, S. [6] ; Poudel, S. S. [1] ; Pugachev, D. A. [46] ; Qian, H. [17] ; Ragusa, F. [26, 27] ; Razeti, M. [11] ; Razeto, A. [10] ; Reinhold, B. [32] ; Renshaw, A. L. [1] ; Rescigno, M. [9] ; Riffard, Q. [35] ; Romani, A. [48, 49] ; Rossi, B. [20] ; Rossi, N. [9] ; Sablone, D. [10, 17] ; Samoylov, O. [34] ; Sands, W. [17] ; Sanfilippo, S. [14, 15] ; Sant, M. [18, 19] ; Santorelli, R. [37] ; Savarese, C. [36, 10] ; Scapparone, E. [24] ; Schlitzer, B. [42] ; Segreto, E. [45] ; Semenov, D. A. [29] ; Shchagin, A. [44] ; Sheshukov, A. [34] ; Singh, P. N. [1] ; Skorokhvatov, M. D. [46, 47] ; Smirnov, O. [34] ; Sotnikov, A. [34] ; Stanford, C. [17] ; Stracka, S. [7] ; Suffritti, G. B. [18, 19, 50] ; Suvorov, Y. [46, 20, 21, 33] ; Tartaglia, R. [10] ; Testera, G. [12] ; Tonazzo, A. [35] ; Trinchese, P. [20, 21] ; Unzhakov, E. V. [29] ; Verducci, M. [9, 28] ; Vishneva, A. [34] ; Vogelaar, B. [22] ; Wada, M. [17] ; Waldrop, T. J. [4] ; Wang, H. [33] ; Wang, Y. [33] ; Watson, A. W. [39] ; Westerdale, S. [17] ; Wojcik, M. M. [51] ; Wojcik, M. [52] ; Xiang, X. [17] ; Xiao, X. [33] ; Yang, C. [40] ; Ye, Z. [1] ; Zhu, C. [17] ; Zichichi, A. [24, 25] ; Zuzel, G. [51] ; Collaboration, DarkSide
Número total de Autores: 195
Afiliação do(s) autor(es):
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[1] Univ Houston, Dept Phys, Houston, TX 77204 - USA
[2] Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo - Brazil
[3] Pacific Northwest Natl Lab, Richland, WA 99352 - USA
[4] Augustana Univ, Phys Dept, Sioux Falls, SD 57197 - USA
[5] Brookhaven Natl Lab, Upton, NY 11973 - USA
[6] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 - USA
[7] INFN Pisa, I-56127 Pisa - Italy
[8] Univ Pisa, Phys Dept, I-56127 Pisa - Italy
[9] INFN, Sez Roma, I-00185 Rome - Italy
[10] INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ - Italy
[11] INFN Cagliari, I-09042 Cagliari - Italy
[12] INFN Genova, I-16146 Genoa - Italy
[13] Univ Genoa, Phys Dept, I-16146 Genoa - Italy
[14] INFN Roma Tre, I-00146 Rome - Italy
[15] Univ Roma Tre, Math & Phys Dept, I-00146 Rome - Italy
[16] Univ Cagliari, Phys Dept, I-09042 Cagliari - Italy
[17] Princeton Univ, Phys Dept, Princeton, NJ 08544 - USA
[18] Univ Sassari, Chem & Pharm Dept, I-07100 Sassari - Italy
[19] INFN, Lab Nazl Sud, I-95123 Catania - Italy
[20] INFN Napoli, I-80126 Naples - Italy
[21] Univ Federico II Napoli, Phys Dept, I-80126 Naples - Italy
[22] Virginia Tech, Blacksburg, VA 24061 - USA
[23] Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119234 - Russia
[24] INFN Bologna, I-40126 Bologna - Italy
[25] Univ Bologna, Phys Dept, I-40126 Bologna - Italy
[26] Univ Milan, Phys Dept, I-20133 Milan - Italy
[27] INFN Milano, I-20133 Milan - Italy
[28] Sapienza Univ Roma, Phys Dept, I-00185 Rome - Italy
[29] St Petersburg Nucl Phys Inst, Gatchina 188350 - Russia
[30] Univ Massachusetts, Amherst Ctr Fundamental Interact, Amherst, MA 01003 - USA
[31] Univ Massachusetts, Phys Dept, Amherst, MA 01003 - USA
[32] Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 - USA
[33] Univ Calif Los Angeles, Phys & Astron Dept, Los Angeles, CA 90095 - USA
[34] Joint Inst Nucl Res, Dubna 141980 - Russia
[35] Univ Paris Diderot, USPC, Obs Paris, CEA, Irfu, CNRS, IN2P3, APC, F-75205 Paris - France
[36] Gran Sasso Sci Inst, I-67100 Laquila - Italy
[37] Ctr Invest Energet Medioambientales & Tecnol, CIEMAT, Madrid 28040 - Spain
[38] Univ Paris Diderot, Sorbonne Univ, CNRS, IN2P3, LPNHE, F-75252 Paris - France
[39] Temple Univ, Phys Dept, Philadelphia, PA 19122 - USA
[40] Inst High Energy Phys, Beijing 100049 - Peoples R China
[41] Univ Enna Kore, Engn & Architecture Fac, I-94100 Enna - Italy
[42] Univ Calif Davis, Dept Phys, Davis, CA 95616 - USA
[43] Black Hills State Univ, Sch Nat Sci, Spearfish, SD 57799 - USA
[44] Belgorod Natl Res Univ, Radiat Phys Lab, Belgorod 308007 - Russia
[45] Univ Estadual Campinas, Phys Inst, BR-13083 Campinas - Brazil
[46] Kurchatov Inst, Natl Res Ctr, Moscow 123182 - Russia
[47] Natl Res Nucl Univ MEPhI, Moscow 115409 - Russia
[48] Univ Perugia, Chem Biol & Biotechnol Dept, I-06123 Perugia - Italy
[49] INFN Perugia, I-06123 Perugia - Italy
[50] Interuniv Consortium Sci & Technol Mat, I-50121 Florence - Italy
[51] Jagiellonian Univ, M Smoluchowski Inst Phys, PL-30348 Krakow - Poland
[52] Lodz Univ Technol, Inst Appl Radiat Chem, PL-93590 Lodz - Poland
Número total de Afiliações: 52
Tipo de documento: Artigo Científico
Fonte: Physical Review Letters; v. 121, n. 8 AUG 23 2018.
Citações Web of Science: 49
Resumo

We present the results of a search for dark matter weakly interacting massive particles (WIMPs) in the mass range below 20 GeV/c(2) using a target of low-radioactivity argon with a 6786.0 kg d exposure. The data were obtained using the DarkSide-50 apparatus at Laboratori Nazionali del Gran Sasso. The analysis is based on the ionization signal, for which the DarkSide-50 time projection chamber is fully efficient at 0.1 keVee. The observed rate in the detector at 0.5 keVee is about 1.5 event/keVee/kg/d and is almost entirely accounted for by known background sources. We obtain a 90% C.L. exclusion limit above 1.8 GeV/c(2) for the spin-independent cross section of dark matter WIMPs on nucleons, extending the exclusion region for dark matter below previous limits in the range 1.8-6 GeV/c(2). (AU)

Processo FAPESP: 16/09084-0 - Deteção direta de matéria escura e o experimento "DarkSide"
Beneficiário:Ivone Freire da Mota e Albuquerque
Modalidade de apoio: Auxílio à Pesquisa - Regular