Constraints on Sub-GeV Dark-Matter-Electron Scattering from the DarkSide-50 Experiment

Agnes, P.; Albuquerque, I. F. M.; Alexander, T.; Alton, A. K.; Araujo, G. R.; Asner, D. M.; 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.; Cereseto, R.; Chepurnov, A.; Cicalo, C.; Cifarelli, L.; 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.; Demontis, P.; Derbin, A. V.; Devoto, A.; Di Eusanio, F.; Di Pietro, G.; Dionisi, C.; Downing, M.; Edkins, E.; Empl, A.; Fan, A.; Fiorillo, G.; Fomenko, K.; Franco, D.; Gabriele, F.; Gabrieli, A.; Galbiati, C.; Garcia Abia, P.; 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.; Hassanshahi, M. H.; Herner, K.; Hosseini, B.; Hughes, D.; Humble, P.; Hungerford, E. V.; Ianni, Al.; Ianni, An.; Ippolito, V.; James, I.; Johnson, T. N.; Kahn, Y.; Keeter, K.; Kendziora, C. L.; Kochanek, I.; Koh, G.; Korablev, D.; Korga, G.; Kubankin, A.; Kuss, M.; La Commara, M.; Lai, M.; Li, X.; Lisanti, M.; Lissia, M.; Loer, B.; 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.; Mishra-Sharma, S.; Monte, A.; Morrocchi, M.; Mount, B. J.; Muratova, V. N.; Musico, P.; Nania, R.; Agasson, A. Navrer; Nozdrina, A. O.; Oleinik, A.; Orsini, M.; Ortica, F.; Pagani, L.; Pallavicini, M.; Pandola, L.; Pantic, E.; Paoloni, E.; Pazzona, F.; Pelczar, K.; Pelliccia, N.; Pesudo, V.; Picciau, E.; 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.; Sant, M.; Santorelli, R.; Savarese, C.; Scapparone, E.; 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.; Suffritti, G. B.; 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.; Wojcik, M.; Xiang, X.; Xiao, X.; Yang, C.; Ye, Z.; Zhu, C.; Zichichi, A.; Zuzel, G.; Collaboration, DarkSide

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Author(s): Show less -	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, 29]} ; Derbin, A. V. ^[30] ; Devoto, A. ^{[11, 16]} ; Di Eusanio, F. ^[17] ; Di Pietro, G. ^{[27, 10]} ; Dionisi, C. ^{[9, 28]} ; Downing, M. ^{[31, 32]} ; Edkins, E. ^[33] ; Empl, A. ^[1] ; Fan, A. ^[34] ; Fiorillo, G. ^{[20, 21]} ; Fomenko, K. ^[35] ; Franco, D. ^[36] ; Gabriele, F. ^[10] ; Gabrieli, A. ^{[18, 19]} ; Galbiati, C. ^{[17, 37]} ; Garcia Abia, P. ^[38] ; Ghiano, C. ^[10] ; Giagu, S. ^{[9, 28]} ; Giganti, C. ^[39] ; Giovanetti, G. K. ^[17] ; Gorchakov, O. ^[35] ; Goretti, A. M. ^[10] ; Granato, F. ^[40] ; Gromov, M. ^[23] ; Guan, M. ^[41] ; Guardincerri, Y. ^[6] ; Gulino, M. ^{[19, 42]} ; Hackett, B. R. ^[33] ; Hassanshahi, M. H. ^[10] ; Herner, K. ^[6] ; Hosseini, B. ^[11] ; Hughes, D. ^[17] ; Humble, P. ^[3] ; Hungerford, E. V. ^[1] ; Ianni, Al. ^[10] ; Ianni, An. ^{[17, 10]} ; Ippolito, V. ^[9] ; James, I. ^{[14, 15]} ; Johnson, T. N. ^[43] ; Kahn, Y. ^{[44, 17]} ; Keeter, K. ^[45] ; Kendziora, C. L. ^[6] ; Kochanek, I. ^[10] ; Koh, G. ^[17] ; Korablev, D. ^[35] ; Korga, G. ^{[1, 10]} ; Kubankin, A. ^[46] ; 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. ^[41] ; Machado, A. A. ^[47] ; Machulin, I. N. ^{[48, 49]} ; Mandarano, A. ^{[37, 10]} ; Mapelli, L. ^[17] ; Mari, S. M. ^{[14, 15]} ; Maricic, J. ^[33] ; Martoff, C. J. ^[40] ; Messina, A. ^{[9, 28]} ; Meyers, P. D. ^[17] ; Milincic, R. ^[33] ; Mishra-Sharma, S. ^[17] ; Monte, A. ^{[31, 32]} ; Morrocchi, M. ^[7] ; Mount, B. J. ^[45] ; Muratova, V. N. ^[30] ; Musico, P. ^[12] ; Nania, R. ^[24] ; Agasson, A. Navrer ^[39] ; Nozdrina, A. O. ^{[48, 49]} ; Oleinik, A. ^[46] ; Orsini, M. ^[10] ; Ortica, F. ^{[50, 51]} ; Pagani, L. ^[43] ; Pallavicini, M. ^{[12, 13]} ; Pandola, L. ^[19] ; Pantic, E. ^[43] ; Paoloni, E. ^{[7, 8]} ; Pazzona, F. ^{[18, 19]} ; Pelczar, K. ^[10] ; Pelliccia, N. ^{[50, 51]} ; Pesudo, V. ^[38] ; Picciau, E. ^{[11, 16]} ; Pocar, A. ^{[31, 32]} ; Pordes, S. ^[6] ; Poudel, S. S. ^[1] ; Pugachev, D. A. ^[49] ; Qian, H. ^[17] ; Ragusa, F. ^{[26, 27]} ; Razeti, M. ^[11] ; Razeto, A. ^[10] ; Reinhold, B. ^[33] ; Renshaw, A. L. ^[1] ; Rescigno, M. ^[9] ; Riffard, Q. ^[36] ; Romani, A. ^{[50, 51]} ; Rossi, B. ^[20] ; Rossi, N. ^[9] ; Sablone, D. ^{[17, 10]} ; Samoylov, O. ^[35] ; Sands, W. ^[17] ; Sanfilippo, S. ^{[14, 15]} ; Sant, M. ^{[18, 19]} ; Santorelli, R. ^[38] ; Savarese, C. ^{[37, 10]} ; Scapparone, E. ^[24] ; Schlitzer, B. ^[43] ; Segreto, E. ^[47] ; Semenov, D. A. ^[30] ; Shchagin, A. ^[46] ; Sheshukov, A. ^[35] ; Singh, P. N. ^[1] ; Skorokhvatov, M. D. ^{[48, 49]} ; Smirnov, O. ^[35] ; Sotnikov, A. ^[35] ; Stanford, C. ^[17] ; Stracka, S. ^[7] ; Suffritti, G. B. ^{[18, 19, 29]} ; Suvorov, Y. ^{[34, 49, 20, 21]} ; Tartaglia, R. ^[10] ; Testera, G. ^[12] ; Tonazzo, A. ^[36] ; Trinchese, P. ^{[20, 21]} ; Unzhakov, E. V. ^[30] ; Verducci, M. ^{[9, 28]} ; Vishneva, A. ^[35] ; Vogelaar, B. ^[22] ; Wada, M. ^[17] ; Waldrop, T. J. ^[4] ; Wang, H. ^[34] ; Wang, Y. ^[34] ; Watson, A. W. ^[40] ; Westerdale, S. ^{[17, 52]} ; Wojcik, M. M. ^[53] ; Wojcik, M. ^[54] ; Xiang, X. ^[17] ; Xiao, X. ^[34] ; Yang, C. ^[41] ; Ye, Z. ^[1] ; Zhu, C. ^[17] ; Zichichi, A. ^{[24, 25]} ; Zuzel, G. ^[53] ; Collaboration, DarkSide Total Authors: 196
Affiliation: Show less -	^[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, Dept Phys, 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, Dept Phys, 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] Interuniv Consortium Sci & Technol Mat, I-50121 Florence - Italy ^[30] St Petersburg Nucl Phys Inst, Gatchina 188350 - Russia ^[31] Univ Massachusetts, Dept Phys, Amherst, MA 01003 - USA ^[32] Univ Massachusetts, Amherst Ctr Fundamental Interact, Amherst, MA 01003 - USA ^[33] Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 - USA ^[34] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 - USA ^[35] Joint Inst Nucl Res, Dubna 141980 - Russia ^[36] Univ Paris Diderot, Obs Paris, USPC, APC, CNRS, IN2P3, CEA, Irfu, F-75205 Paris - France ^[37] Gran Sasso Sci Inst, I-67100 Laquila - Italy ^[38] Ctr Invest Energet Medioambientales & Tecnol, CIEMAT, Madrid 28040 - Spain ^[39] Univ Paris Diderot, Sorbonne Univ, LPNHE, CNRS, IN2P3, F-75252 Paris - France ^[40] Temple Univ, Dept Phys, Philadelphia, PA 19122 - USA ^[41] Inst High Energy Phys, Beijing 100049 - Peoples R China ^[42] Univ Enna Kore, Engn & Architecture Fac, I-94100 Enna - Italy ^[43] Univ Calif Davis, Dept Phys, Davis, CA 95616 - USA ^[44] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 - USA ^[45] Black Hills State Univ, Sch Nat Sci, Spearfish, SD 57799 - USA ^[46] Belgorod Natl Res Univ, Radiat Phys Lab, Belgorod 308007 - Russia ^[47] Univ Estadual Campinas, Phys Inst, BR-13083 Campinas - Brazil ^[48] Natl Res Nucl Univ MEPhI, Moscow 115409 - Russia ^[49] Natl Res Ctr Kurchatov Inst, Moscow 123182 - Russia ^[50] Univ Perugia, Chem Biol & Biotechnol Dept, I-06123 Perugia - Italy ^[51] INFN Perugia, I-06123 Perugia - Italy ^[52] Carleton Univ, Ottawa, ON - Canada ^[53] Jagiellonian Univ, M Smoluchowski Inst Phys, PL-30348 Krakow - Poland ^[54] Lodz Univ Technol, Inst Appl Radiat Chem, PL-93590 Lodz - Poland Total Affiliations: 54
Document type:	Journal article
Source:	Physical Review Letters; v. 121, n. 11 SEP 12 2018.
Web of Science Citations:	16
Abstract
We present new constraints on sub-GeV dark-matter particles scattering off electrons based on 6780.0 kg d of data collected with the DarkSide-50 dual-phase argon time projection chamber. This analysis uses electroluminescence signals due to ionized electrons extracted from the liquid argon target. The detector has a very high trigger probability for these signals, allowing for an analysis threshold of three extracted electrons, or approximately 0.05 keVee. We calculate the expected recoil spectra for dark matterelectron scattering in argon and, under the assumption of momentum-independent scattering, improve upon existing limits from XENON10 for dark-matter particles with masses between 30 and 100 MeV/c(2). (AU)

FAPESP's process:	16/09084-0 - Dark matter direct detection and the DarkSide experiment
Grantee:	Ivone Freire da Mota e Albuquerque
Support Opportunities:	Regular Research Grants

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