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  1. Article ; Online: Search for Dark-Matter-Nucleon Interactions via Migdal Effect with DarkSide-50.

    Agnes, P / Albuquerque, I F M / Alexander, T / Alton, A K / Ave, M / Back, H O / Batignani, G / Biery, K / Bocci, V / Bonivento, W M / Bottino, B / Bussino, S / Cadeddu, M / Cadoni, M / Calaprice, F / Caminata, A / Campos, M D / Canci, N / Caravati, M /
    Cargioli, N / Cariello, M / Carlini, M / Cataudella, V / Cavalcante, P / Cavuoti, S / Chashin, S / Chepurnov, A / Cicalò, C / Covone, G / D'Angelo, D / Davini, S / De Candia, A / De Cecco, S / De Filippis, G / De Rosa, G / Derbin, A V / Devoto, A / D'Incecco, M / Dionisi, C / Dordei, F / Downing, M / D'Urso, D / Fairbairn, M / Fiorillo, G / Franco, D / Gabriele, F / Galbiati, C / Ghiano, C / Giganti, C / Giovanetti, G K / Goretti, A M / Grilli di Cortona, G / Grobov, A / Gromov, M / Guan, M / Gulino, M / Hackett, B R / Herner, K / Hessel, T / Hosseini, B / Hubaut, F / Hungerford, E V / Ianni, An / Ippolito, V / Keeter, K / Kendziora, C L / Kimura, M / Kochanek, I / Korablev, D / Korga, G / Kubankin, A / Kuss, M / La Commara, M / Lai, M / Li, X / Lissia, M / Longo, G / Lychagina, O / Machulin, I N / Mapelli, L P / Mari, S M / Maricic, J / Messina, A / Milincic, R / Monroe, J / Morrocchi, M / Mougeot, X / Muratova, V N / Musico, P / Nozdrina, A O / Oleinik, A / Ortica, F / Pagani, L / Pallavicini, M / Pandola, L / Pantic, E / Paoloni, E / Pelczar, K / Pelliccia, N / Piacentini, S / Pocar, A / Poehlmann, D M / Pordes, S / Poudel, S S / Pralavorio, P / Price, D D / Ragusa, F / Razeti, M / Razeto, A / Renshaw, A L / Rescigno, M / Rode, J / Romani, A / Sablone, D / Samoylov, O / Sandford, E / Sands, W / Sanfilippo, S / Savarese, C / Schlitzer, B / Semenov, D A / Shchagin, A / Sheshukov, A / Skorokhvatov, M D / Smirnov, O / Sotnikov, A / Stracka, S / Suvorov, Y / Tartaglia, R / Testera, G / Tonazzo, A / Unzhakov, E V / Vishneva, A / Vogelaar, R B / Wada, M / Wang, H / Wang, Y / Westerdale, S / Wojcik, M M / Xiao, X / Yang, C / Zuzel, G

    Physical review letters

    2023  Volume 130, Issue 10, Page(s) 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 ... ...

    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}.
    Language English
    Publishing date 2023-03-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.130.101001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Search for Dark Matter Particle Interactions with Electron Final States with DarkSide-50.

    Agnes, P / Albuquerque, I F M / Alexander, T / Alton, A K / Ave, M / Back, H O / Batignani, G / Biery, K / Bocci, V / Bonivento, W M / Bottino, B / Bussino, S / Cadeddu, M / Cadoni, M / Calaprice, F / Caminata, A / Campos, M D / Canci, N / Caravati, M /
    Cargioli, N / Cariello, M / Carlini, M / Cataudella, V / Cavalcante, P / Cavuoti, S / Chashin, S / Chepurnov, A / Cicalò, C / Covone, G / D'Angelo, D / Davini, S / De Candia, A / De Cecco, S / De Filippis, G / De Rosa, G / Derbin, A V / Devoto, A / D'Incecco, M / Dionisi, C / Dordei, F / Downing, M / D'Urso, D / Fiorillo, G / Franco, D / Gabriele, F / Galbiati, C / Ghiano, C / Giganti, C / Giovanetti, G K / Goretti, A M / Grilli di Cortona, G / Grobov, A / Gromov, M / Guan, M / Gulino, M / Hackett, B R / Herner, K / Hessel, T / Hosseini, B / Hubaut, F / Hungerford, E V / Ianni, An / Ippolito, V / Keeter, K / Kendziora, C L / Kimura, M / Kochanek, I / Korablev, D / Korga, G / Kubankin, A / Kuss, M / La Commara, M / Lai, M / Li, X / Lissia, M / Longo, G / Lychagina, O / Machulin, I N / Mapelli, L P / Mari, S M / Maricic, J / Messina, A / Milincic, R / Monroe, J / Morrocchi, M / Mougeot, X / Muratova, V N / Musico, P / Nozdrina, A O / Oleinik, A / Ortica, F / Pagani, L / Pallavicini, M / Pandola, L / Pantic, E / Paoloni, E / Pelczar, K / Pelliccia, N / Piacentini, S / Pocar, A / Poehlmann, D M / Pordes, S / Poudel, S S / Pralavorio, P / Price, D D / Ragusa, F / Razeti, M / Razeto, A / Renshaw, A L / Rescigno, M / Rode, J / Romani, A / Sablone, D / Samoylov, O / Sands, W / Sanfilippo, S / Sandford, E / Savarese, C / Schlitzer, B / Semenov, D A / Shchagin, A / Sheshukov, A / Skorokhvatov, M D / Smirnov, O / Sotnikov, A / Stracka, S / Suvorov, Y / Tartaglia, R / Testera, G / Tonazzo, A / Unzhakov, E V / Vishneva, A / Vogelaar, R B / Wada, M / Wang, H / Wang, Y / Westerdale, S / Wojcik, M M / Xiao, X / Yang, C / Zuzel, G

    Physical review letters

    2023  Volume 130, Issue 10, Page(s) 101002

    Abstract: We present a search for dark matter particles with sub-GeV/c^{2} masses whose interactions have final state electrons using the DarkSide-50 experiment's (12 306±184)  kg d low-radioactivity liquid argon exposure. By analyzing the ionization signals, we ... ...

    Abstract We present a search for dark matter particles with sub-GeV/c^{2} masses whose interactions have final state electrons using the DarkSide-50 experiment's (12 306±184)  kg d low-radioactivity liquid argon exposure. By analyzing the ionization signals, we exclude new parameter space for the dark matter-electron cross section σ[over ¯]_{e}, the axioelectric coupling constant g_{Ae}, and the dark photon kinetic mixing parameter κ. We also set the first dark matter direct-detection constraints on the mixing angle |U_{e4}|^{2} for keV/c^{2} sterile neutrinos.
    Language English
    Publishing date 2023-03-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.130.101002
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

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