Search for Dark-Matter-Nucleon Interactions via Migdal Effect with DarkSide-50
Affiliations
- 1 Department of Physics, Royal Holloway University of London, Egham TW20 0EX, United Kingdom.
- 2 Instituto de Física, Universidade de São Paulo, São Paulo 05508-090, Brazil.
- 3 Pacific Northwest National Laboratory, Richland, Washington 99352, USA.
- 4 Physics Department, Augustana University, Sioux Falls, South Dakota 57197, USA.
- 5 INFN Pisa, Pisa 56127, Italy.
- 6 Physics Department, Università degli Studi di Pisa, Pisa 56127, Italy.
- 7 Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
- 8 INFN Sezione di Roma, Roma 00185, Italy.
- 9 INFN Cagliari, Cagliari 09042, Italy.
- 10 Physics Department, Università degli Studi di Genova, Genova 16146, Italy.
- 11 INFN Genova, Genova 16146, Italy.
- 12 INFN Roma Tre, Roma 00146, Italy.
- 13 Mathematics and Physics Department, Università degli Studi Roma Tre, Roma 00146, Italy.
- 14 Physics Department, Università degli Studi di Cagliari, Cagliari 09042, Italy.
- 15 Physics Department, Princeton University, Princeton, New Jersey 08544, USA.
- 16 Physics, Kings College London, Strand, London WC2R 2LS, United Kingdom.
- 17 INFN Laboratori Nazionali del Gran Sasso, Assergi (AQ) 67100, Italy.
- 18 Gran Sasso Science Institute, L'Aquila 67100, Italy.
- 19 Physics Department, Università degli Studi "Federico II" di Napoli, Napoli 80126, Italy.
- 20 INFN Napoli, Napoli 80126, Italy.
- 21 Virginia Tech, Blacksburg, Virginia 24061, USA.
- 22 Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow 119234, Russia.
- 23 Physics Department, Università degli Studi di Milano, Milano 20133, Italy.
- 24 INFN Milano, Milano 20133, Italy.
- 25 Physics Department, Sapienza Università di Roma, Roma 00185, Italy.
- 26 Saint Petersburg Nuclear Physics Institute, Gatchina 188350, Russia.
- 27 Amherst Center for Fundamental Interactions and Physics Department, University of Massachusetts, Amherst, Massachusetts 01003, USA.
- 28 Chemistry and Pharmacy Department, Università degli Studi di Sassari, Sassari 07100, Italy.
- 29 INFN Laboratori Nazionali del Sud, Catania 95123, Italy.
- 30 APC, Université de Paris, CNRS, Astroparticule et Cosmologie, Paris F-75013, France.
- 31 LPNHE, CNRS/IN2P3, Sorbonne Université, Université Paris Diderot, Paris 75252, France.
- 32 INFN Laboratori Nazionali di Frascati, Frascati 00044, Italy.
- 33 National Research Centre Kurchatov Institute, Moscow 123182, Russia.
- 34 National Research Nuclear University MEPhI, Moscow 115409, Russia.
- 35 Joint Institute for Nuclear Research, Dubna 141980, Russia.
- 36 Institute of High Energy Physics, Beijing 100049, China.
- 37 Engineering and Architecture Faculty, Università di Enna Kore, Enna 94100, Italy.
- 38 Centre de Physique des Particules de Marseille, Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France.
- 39 Department of Physics, University of Houston, Houston, Texas 77204, USA.
- 40 School of Natural Sciences, Black Hills State University, Spearfish, South Dakota 57799, USA.
- 41 AstroCeNT, Nicolaus Copernicus Astronomical Center, 00-614 Warsaw, Poland.
- 42 Radiation Physics Laboratory, Belgorod National Research University, Belgorod 308007, Russia.
- 43 Physics and Astronomy Department, University of California, Los Angeles, California 90095, USA.
- 44 Department of Physics and Astronomy, University of Hawai'i, Honolulu, Hawaii 96822, USA.
- 45 Université Paris-Saclay, CEA, List, Laboratoire National Henri Becquerel (LNE-LNHB), F-91120 Palaiseau, France.
- 46 Chemistry, Biology and Biotechnology Department, Università degli Studi di Perugia, Perugia 06123, Italy.
- 47 INFN Perugia, Perugia 06123, Italy.
- 48 Department of Physics, University of California, Davis, California 95616, USA.
- 49 M. Smoluchowski Institute of Physics, Jagiellonian University, 30-348 Krakow, Poland.
- 50 The University of Manchester, Manchester M13 9PL, United Kingdom.
- PMID: 36962014
- DOI: 10.1103/PhysRevLett.130.101001
Search for Dark-Matter-Nucleon Interactions via Migdal Effect with DarkSide-50
Authors
Affiliations
- 1 Department of Physics, Royal Holloway University of London, Egham TW20 0EX, United Kingdom.
- 2 Instituto de Física, Universidade de São Paulo, São Paulo 05508-090, Brazil.
- 3 Pacific Northwest National Laboratory, Richland, Washington 99352, USA.
- 4 Physics Department, Augustana University, Sioux Falls, South Dakota 57197, USA.
- 5 INFN Pisa, Pisa 56127, Italy.
- 6 Physics Department, Università degli Studi di Pisa, Pisa 56127, Italy.
- 7 Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
- 8 INFN Sezione di Roma, Roma 00185, Italy.
- 9 INFN Cagliari, Cagliari 09042, Italy.
- 10 Physics Department, Università degli Studi di Genova, Genova 16146, Italy.
- 11 INFN Genova, Genova 16146, Italy.
- 12 INFN Roma Tre, Roma 00146, Italy.
- 13 Mathematics and Physics Department, Università degli Studi Roma Tre, Roma 00146, Italy.
- 14 Physics Department, Università degli Studi di Cagliari, Cagliari 09042, Italy.
- 15 Physics Department, Princeton University, Princeton, New Jersey 08544, USA.
- 16 Physics, Kings College London, Strand, London WC2R 2LS, United Kingdom.
- 17 INFN Laboratori Nazionali del Gran Sasso, Assergi (AQ) 67100, Italy.
- 18 Gran Sasso Science Institute, L'Aquila 67100, Italy.
- 19 Physics Department, Università degli Studi "Federico II" di Napoli, Napoli 80126, Italy.
- 20 INFN Napoli, Napoli 80126, Italy.
- 21 Virginia Tech, Blacksburg, Virginia 24061, USA.
- 22 Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow 119234, Russia.
- 23 Physics Department, Università degli Studi di Milano, Milano 20133, Italy.
- 24 INFN Milano, Milano 20133, Italy.
- 25 Physics Department, Sapienza Università di Roma, Roma 00185, Italy.
- 26 Saint Petersburg Nuclear Physics Institute, Gatchina 188350, Russia.
- 27 Amherst Center for Fundamental Interactions and Physics Department, University of Massachusetts, Amherst, Massachusetts 01003, USA.
- 28 Chemistry and Pharmacy Department, Università degli Studi di Sassari, Sassari 07100, Italy.
- 29 INFN Laboratori Nazionali del Sud, Catania 95123, Italy.
- 30 APC, Université de Paris, CNRS, Astroparticule et Cosmologie, Paris F-75013, France.
- 31 LPNHE, CNRS/IN2P3, Sorbonne Université, Université Paris Diderot, Paris 75252, France.
- 32 INFN Laboratori Nazionali di Frascati, Frascati 00044, Italy.
- 33 National Research Centre Kurchatov Institute, Moscow 123182, Russia.
- 34 National Research Nuclear University MEPhI, Moscow 115409, Russia.
- 35 Joint Institute for Nuclear Research, Dubna 141980, Russia.
- 36 Institute of High Energy Physics, Beijing 100049, China.
- 37 Engineering and Architecture Faculty, Università di Enna Kore, Enna 94100, Italy.
- 38 Centre de Physique des Particules de Marseille, Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France.
- 39 Department of Physics, University of Houston, Houston, Texas 77204, USA.
- 40 School of Natural Sciences, Black Hills State University, Spearfish, South Dakota 57799, USA.
- 41 AstroCeNT, Nicolaus Copernicus Astronomical Center, 00-614 Warsaw, Poland.
- 42 Radiation Physics Laboratory, Belgorod National Research University, Belgorod 308007, Russia.
- 43 Physics and Astronomy Department, University of California, Los Angeles, California 90095, USA.
- 44 Department of Physics and Astronomy, University of Hawai'i, Honolulu, Hawaii 96822, USA.
- 45 Université Paris-Saclay, CEA, List, Laboratoire National Henri Becquerel (LNE-LNHB), F-91120 Palaiseau, France.
- 46 Chemistry, Biology and Biotechnology Department, Università degli Studi di Perugia, Perugia 06123, Italy.
- 47 INFN Perugia, Perugia 06123, Italy.
- 48 Department of Physics, University of California, Davis, California 95616, USA.
- 49 M. Smoluchowski Institute of Physics, Jagiellonian University, 30-348 Krakow, Poland.
- 50 The University of Manchester, Manchester M13 9PL, United Kingdom.
- PMID: 36962014
- DOI: 10.1103/PhysRevLett.130.101001
Abstract
Dark matter elastic scattering off nuclei can result in the excitation and ionization of the recoiling atom through the so-called Migdal effect. The energy deposition from the ionization electron adds to the energy deposited by the recoiling nuclear system and allows for the detection of interactions of sub-GeV/c^{2} mass dark matter. We present new constraints for sub-GeV/c^{2} dark matter using the dual-phase liquid argon time projection chamber of the DarkSide-50 experiment with an exposure of (12 306±184) kg d. The analysis is based on the ionization signal alone and significantly enhances the sensitivity of DarkSide-50, enabling sensitivity to dark matter with masses down to 40 MeV/c^{2}. Furthermore, it sets the most stringent upper limit on the spin independent dark matter nucleon cross section for masses below 3.6 GeV/c^{2}.
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