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首页> 外文期刊>Physical review letters >Constraints on Sub-GeV Dark-Matter-Electron Scattering from the DarkSide-50 Experiment
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Constraints on Sub-GeV Dark-Matter-Electron Scattering from the DarkSide-50 Experiment

机译:DarkSide-50实验对子GeV暗物质电子散射的约束

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摘要

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).
机译:基于使用DarkSide-50双相氩气时间投射室收集的6780.0 kg d数据,我们对子GeV暗物质粒子散射出电子提出了新的限制。由于从液态氩靶中提取的离子化电子,该分析使用电致发光信号。检测器对于这些信号具有很高的触发概率,允许三个提取电子的分析阈值或大约0.05 keVee。我们计算了氩气中暗物质电子散射的预期反冲谱,并在不依赖动量散射的假设下,改进了XENON10对质量介于30和100 MeV / c之间的暗物质粒子的现有限制(2)。

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  • 来源
    《Physical review letters》 |2018年第11期|111303.1-111303.7|共7页
  • 作者

    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.; DAngelo D.; DIncecco M.; DUrso 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.;

  • 作者单位

    Univ Houston, Dept Phys, Houston, TX 77204 USA;

    Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo, Brazil;

    Pacific Northwest Natl Lab, Richland, WA 99352 USA;

    Augustana Univ, Dept Phys, Sioux Falls, SD 57197 USA;

    Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo, Brazil;

    Brookhaven Natl Lab, Upton, NY 11973 USA;

    Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo, Brazil;

    Pacific Northwest Natl Lab, Richland, WA 99352 USA;

    Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA;

    INFN Pisa, I-56127 Pisa, Italy;

    Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA;

    INFN, Sez Roma, I-00185 Rome, Italy;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    INFN Cagliari, I-09042 Cagliari, Italy;

    Univ Genoa, Phys Dept, I-16146 Genoa, Italy;

    INFN Roma Tre, I-00146 Rome, Italy;

    INFN Roma Tre, I-00146 Rome, Italy;

    INFN Cagliari, I-09042 Cagliari, Italy;

    INFN Cagliari, I-09042 Cagliari, Italy;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    INFN Genova, I-16146 Genoa, Italy;

    Univ Houston, Dept Phys, Houston, TX 77204 USA;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    INFN Cagliari, I-09042 Cagliari, Italy;

    INFN Genova, I-16146 Genoa, Italy;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Univ Sassari, Chem & Pharm Dept, I-07100 Sassari, Italy;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    INFN Genova, I-16146 Genoa, Italy;

    Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119234, Russia;

    INFN Cagliari, I-09042 Cagliari, Italy;

    Univ Bologna, Phys Dept, I-40126 Bologna, Italy;

    INFN Napoli, I-80126 Naples, Italy;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    Univ Milan, Phys Dept, I-20133 Milan, Italy;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Univ Sassari, Chem & Pharm Dept, I-07100 Sassari, Italy;

    INFN Genova, I-16146 Genoa, Italy;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    INFN, Sez Roma, I-00185 Rome, Italy;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    INFN Roma Tre, I-00146 Rome, Italy;

    Univ Sassari, Chem & Pharm Dept, I-07100 Sassari, Italy;

    St Petersburg Nucl Phys Inst, Gatchina 188350, Russia;

    INFN Cagliari, I-09042 Cagliari, Italy;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    INFN, Sez Roma, I-00185 Rome, Italy;

    Univ Massachusetts, Amherst Ctr Fundamental Interact, Amherst, MA 01003 USA;

    Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA;

    Univ Houston, Dept Phys, Houston, TX 77204 USA;

    Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    Joint Inst Nucl Res, Dubna 141980, Russia;

    Univ Paris Diderot, Obs Paris, USPC, APC,CNRS,IN2P3,CEA,Irfu, F-75205 Paris, France;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Univ Sassari, Chem & Pharm Dept, I-07100 Sassari, Italy;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Ctr Invest Energet Medioambientales & Tecnol, CIEMAT, Madrid 28040, Spain;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    INFN, Sez Roma, I-00185 Rome, Italy;

    Univ Paris Diderot, Sorbonne Univ, LPNHE, CNRS,IN2P3, F-75252 Paris, France;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Joint Inst Nucl Res, Dubna 141980, Russia;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Temple Univ, Dept Phys, Philadelphia, PA 19122 USA;

    Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119234, Russia;

    Inst High Energy Phys, Beijing 100049, Peoples R China;

    Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA;

    INFN, Lab Nazl Sud, I-95123 Catania, Italy;

    Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA;

    INFN Cagliari, I-09042 Cagliari, Italy;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Pacific Northwest Natl Lab, Richland, WA 99352 USA;

    Univ Houston, Dept Phys, Houston, TX 77204 USA;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    INFN, Sez Roma, I-00185 Rome, Italy;

    INFN Roma Tre, I-00146 Rome, Italy;

    Univ Calif Davis, Dept Phys, Davis, CA 95616 USA;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Black Hills State Univ, Sch Nat Sci, Spearfish, SD 57799 USA;

    Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Joint Inst Nucl Res, Dubna 141980, Russia;

    Univ Houston, Dept Phys, Houston, TX 77204 USA;

    Belgorod Natl Res Univ, Radiat Phys Lab, Belgorod 308007, Russia;

    INFN Pisa, I-56127 Pisa, Italy;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    INFN Cagliari, I-09042 Cagliari, Italy;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    INFN Cagliari, I-09042 Cagliari, Italy;

    Pacific Northwest Natl Lab, Richland, WA 99352 USA;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    Inst High Energy Phys, Beijing 100049, Peoples R China;

    Univ Estadual Campinas, Phys Inst, BR-13083 Campinas, Brazil;

    Natl Res Ctr Kurchatov Inst, Moscow 123182, Russia;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    INFN Roma Tre, I-00146 Rome, Italy;

    Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA;

    Temple Univ, Dept Phys, Philadelphia, PA 19122 USA;

    INFN, Sez Roma, I-00185 Rome, Italy;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Univ Massachusetts, Amherst Ctr Fundamental Interact, Amherst, MA 01003 USA;

    INFN Pisa, I-56127 Pisa, Italy;

    Black Hills State Univ, Sch Nat Sci, Spearfish, SD 57799 USA;

    St Petersburg Nucl Phys Inst, Gatchina 188350, Russia;

    INFN Genova, I-16146 Genoa, Italy;

    INFN Bologna, I-40126 Bologna, Italy;

    Univ Paris Diderot, Sorbonne Univ, LPNHE, CNRS,IN2P3, F-75252 Paris, France;

    Natl Res Ctr Kurchatov Inst, Moscow 123182, Russia;

    Belgorod Natl Res Univ, Radiat Phys Lab, Belgorod 308007, Russia;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Univ Perugia, Chem Biol & Biotechnol Dept, I-06123 Perugia, Italy;

    Univ Calif Davis, Dept Phys, Davis, CA 95616 USA;

    Univ Genoa, Phys Dept, I-16146 Genoa, Italy;

    INFN, Lab Nazl Sud, I-95123 Catania, Italy;

    Univ Calif Davis, Dept Phys, Davis, CA 95616 USA;

    INFN Pisa, I-56127 Pisa, Italy;

    Univ Sassari, Chem & Pharm Dept, I-07100 Sassari, Italy;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Univ Perugia, Chem Biol & Biotechnol Dept, I-06123 Perugia, Italy;

    Ctr Invest Energet Medioambientales & Tecnol, CIEMAT, Madrid 28040, Spain;

    INFN Cagliari, I-09042 Cagliari, Italy;

    Univ Massachusetts, Amherst Ctr Fundamental Interact, Amherst, MA 01003 USA;

    Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA;

    Univ Houston, Dept Phys, Houston, TX 77204 USA;

    Natl Res Ctr Kurchatov Inst, Moscow 123182, Russia;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Univ Milan, Phys Dept, I-20133 Milan, Italy;

    INFN Cagliari, I-09042 Cagliari, Italy;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA;

    Univ Houston, Dept Phys, Houston, TX 77204 USA;

    INFN, Sez Roma, I-00185 Rome, Italy;

    Univ Paris Diderot, Obs Paris, USPC, APC,CNRS,IN2P3,CEA,Irfu, F-75205 Paris, France;

    Univ Perugia, Chem Biol & Biotechnol Dept, I-06123 Perugia, Italy;

    INFN Napoli, I-80126 Naples, Italy;

    INFN, Sez Roma, I-00185 Rome, Italy;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    Joint Inst Nucl Res, Dubna 141980, Russia;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    INFN Roma Tre, I-00146 Rome, Italy;

    Univ Sassari, Chem & Pharm Dept, I-07100 Sassari, Italy;

    Ctr Invest Energet Medioambientales & Tecnol, CIEMAT, Madrid 28040, Spain;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    INFN Bologna, I-40126 Bologna, Italy;

    Univ Calif Davis, Dept Phys, Davis, CA 95616 USA;

    Univ Estadual Campinas, Phys Inst, BR-13083 Campinas, Brazil;

    St Petersburg Nucl Phys Inst, Gatchina 188350, Russia;

    Belgorod Natl Res Univ, Radiat Phys Lab, Belgorod 308007, Russia;

    Joint Inst Nucl Res, Dubna 141980, Russia;

    Univ Houston, Dept Phys, Houston, TX 77204 USA;

    Natl Res Ctr Kurchatov Inst, Moscow 123182, Russia;

    Joint Inst Nucl Res, Dubna 141980, Russia;

    Joint Inst Nucl Res, Dubna 141980, Russia;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    INFN Pisa, I-56127 Pisa, Italy;

    Univ Sassari, Chem & Pharm Dept, I-07100 Sassari, Italy;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    INFN, Lab Nazl Gran Sasso, I-67100 Assergi, AQ, Italy;

    INFN Genova, I-16146 Genoa, Italy;

    Univ Paris Diderot, Obs Paris, USPC, APC,CNRS,IN2P3,CEA,Irfu, F-75205 Paris, France;

    Univ Federico II Napoli, Phys Dept, I-80126 Naples, Italy;

    St Petersburg Nucl Phys Inst, Gatchina 188350, Russia;

    INFN, Sez Roma, I-00185 Rome, Italy;

    Joint Inst Nucl Res, Dubna 141980, Russia;

    Virginia Tech, Blacksburg, VA 24061 USA;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Augustana Univ, Dept Phys, Sioux Falls, SD 57197 USA;

    Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA;

    Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA;

    Temple Univ, Dept Phys, Philadelphia, PA 19122 USA;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Jagiellonian Univ, M Smoluchowski Inst Phys, PL-30348 Krakow, Poland;

    Lodz Univ Technol, Inst Appl Radiat Chem, PL-93590 Lodz, Poland;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA;

    Inst High Energy Phys, Beijing 100049, Peoples R China;

    Univ Houston, Dept Phys, Houston, TX 77204 USA;

    Princeton Univ, Dept Phys, Princeton, NJ 08544 USA;

    Univ Bologna, Phys Dept, I-40126 Bologna, Italy;

    Jagiellonian Univ, M Smoluchowski Inst Phys, PL-30348 Krakow, Poland;

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