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).

Constraints on Sub-GeV Dark-Matter-Electron Scattering from the DarkSide-50 Experiment / P. Agnes, I.F.M. Albuquerque, T. Alexander, A.K. Alton, G.R. Araujo, D.M. Asner, M. Ave, H.O. Back, B. Baldin, G. Batignani, K. Biery, V. Bocci, G. Bonfini, W. Bonivento, B. Bottino, F. Budano, S. Bussino, M. Cadeddu, M. Cadoni, F. Calaprice, A. Caminata, N. Canci, A. Candela, M. Caravati, M. Cariello, M. Carlini, M. Carpinelli, S. Catalanotti, V. Cataudella, P. Cavalcante, S. Cavuoti, R. Cereseto, A. Chepurnov, C. Cicalò, L. Cifarelli, A.G. Cocco, G. Covone, D. D'Angelo, M. D'Incecco, D. D'Urso, S. Davini, A. De Candia, S. De Cecco, M. De Deo, G. De Filippis, G. De Rosa, M. De Vincenzi, P. Demontis, A.V. Derbin, A. Devoto, F. Di Eusanio, G. Di Pietro, C. Dionisi, M. Downing, E. Edkins, A. Empl, A. Fan, G. Fiorillo, K. Fomenko, D. Franco, F. Gabriele, A. Gabrieli, C. Galbiati, P. Garcia Abia, C. Ghiano, S. Giagu, C. Giganti, G.K. Giovanetti, O. Gorchakov, A.M. Goretti, F. Granato, M. Gromov, M. Guan, Y. Guardincerri, M. Gulino, B.R. Hackett, M.H. Hassanshahi, K. Herner, B. Hosseini, D. Hughes, P. Humble, E.V. Hungerford, A. Ianni, A. Ianni, V. Ippolito, I. James, T.N. Johnson, Y. Kahn, K. Keeter, C.L. Kendziora, I. Kochanek, G. Koh, D. Korablev, G. Korga, A. Kubankin, M. Kuss, M. La Commara, M. Lai, X. Li, M. Lisanti, M. Lissia, B. Loer, G. Longo, Y. Ma, A.A. Machado, I.N. Machulin, A. Mandarano, L. Mapelli, S.M. Mari, J. Maricic, C.J. Martoff, A. Messina, P.D. Meyers, R. Milincic, S. Mishra-Sharma, A. Monte, M. Morrocchi, B.J. Mount, V.N. Muratova, P. Musico, R. Nania, A. Navrer Agasson, A.O. Nozdrina, A. Oleinik, M. Orsini, F. Ortica, L. Pagani, M. Pallavicini, L. Pandola, E. Pantic, E. Paoloni, F. Pazzona, K. Pelczar, N. Pelliccia, V. Pesudo, E. Picciau, A. Pocar, S. Pordes, S.S. Poudel, D.A. Pugachev, H. Qian, F. Ragusa, M. Razeti, A. Razeto, B. Reinhold, A.L. Renshaw, M. Rescigno, Q. Riffard, A. Romani, B. Rossi, N. Rossi, D. Sablone, O. Samoylov, W. Sands, S. Sanfilippo, M. Sant, R. Santorelli, C. Savarese, E. Scapparone, B. Schlitzer, E. Segreto, D.A. Semenov, A. Shchagin, A. Sheshukov, P.N. Singh, M.D. Skorokhvatov, O. Smirnov, A. Sotnikov, C. Stanford, S. Stracka, G.B. Suffritti, Y. Suvorov, R. Tartaglia, G. Testera, A. Tonazzo, P. Trinchese, E.V. Unzhakov, M. Verducci, A. Vishneva, B. Vogelaar, M. Wada, T.J. Waldrop, H. Wang, Y. Wang, A.W. Watson, S. Westerdale, M.M. Wojcik, M. Wojcik, X. Xiang, X. Xiao, C. Yang, Z. Ye, C. Zhu, A. Zichichi, G. Zuzel. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 121:11(2018 Sep), pp. 111303.111303-1-111303.111303-7.

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

D. D'Angelo;F. Ragusa;
2018

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).
English
Liquid argon; xenon; candidates; particles; existence; AR-39
Settore FIS/01 - Fisica Sperimentale
Settore FIS/04 - Fisica Nucleare e Subnucleare
Articolo
Esperti anonimi
Ricerca di base
Pubblicazione scientifica
set-2018
American Physical Society
121
11
111303
111303-1
111303-7
7
Pubblicato
Periodico con rilevanza internazionale
scopus
pubmed
crossref
Aderisco
info:eu-repo/semantics/article
Constraints on Sub-GeV Dark-Matter-Electron Scattering from the DarkSide-50 Experiment / P. Agnes, I.F.M. Albuquerque, T. Alexander, A.K. Alton, G.R. Araujo, D.M. Asner, M. Ave, H.O. Back, B. Baldin, G. Batignani, K. Biery, V. Bocci, G. Bonfini, W. Bonivento, B. Bottino, F. Budano, S. Bussino, M. Cadeddu, M. Cadoni, F. Calaprice, A. Caminata, N. Canci, A. Candela, M. Caravati, M. Cariello, M. Carlini, M. Carpinelli, S. Catalanotti, V. Cataudella, P. Cavalcante, S. Cavuoti, R. Cereseto, A. Chepurnov, C. Cicalò, L. Cifarelli, A.G. Cocco, G. Covone, D. D'Angelo, M. D'Incecco, D. D'Urso, S. Davini, A. De Candia, S. De Cecco, M. De Deo, G. De Filippis, G. De Rosa, M. De Vincenzi, P. Demontis, A.V. Derbin, A. Devoto, F. Di Eusanio, G. Di Pietro, C. Dionisi, M. Downing, E. Edkins, A. Empl, A. Fan, G. Fiorillo, K. Fomenko, D. Franco, F. Gabriele, A. Gabrieli, C. Galbiati, P. Garcia Abia, C. Ghiano, S. Giagu, C. Giganti, G.K. Giovanetti, O. Gorchakov, A.M. Goretti, F. Granato, M. Gromov, M. Guan, Y. Guardincerri, M. Gulino, B.R. Hackett, M.H. Hassanshahi, K. Herner, B. Hosseini, D. Hughes, P. Humble, E.V. Hungerford, A. Ianni, A. Ianni, V. Ippolito, I. James, T.N. Johnson, Y. Kahn, K. Keeter, C.L. Kendziora, I. Kochanek, G. Koh, D. Korablev, G. Korga, A. Kubankin, M. Kuss, M. La Commara, M. Lai, X. Li, M. Lisanti, M. Lissia, B. Loer, G. Longo, Y. Ma, A.A. Machado, I.N. Machulin, A. Mandarano, L. Mapelli, S.M. Mari, J. Maricic, C.J. Martoff, A. Messina, P.D. Meyers, R. Milincic, S. Mishra-Sharma, A. Monte, M. Morrocchi, B.J. Mount, V.N. Muratova, P. Musico, R. Nania, A. Navrer Agasson, A.O. Nozdrina, A. Oleinik, M. Orsini, F. Ortica, L. Pagani, M. Pallavicini, L. Pandola, E. Pantic, E. Paoloni, F. Pazzona, K. Pelczar, N. Pelliccia, V. Pesudo, E. Picciau, A. Pocar, S. Pordes, S.S. Poudel, D.A. Pugachev, H. Qian, F. Ragusa, M. Razeti, A. Razeto, B. Reinhold, A.L. Renshaw, M. Rescigno, Q. Riffard, A. Romani, B. Rossi, N. Rossi, D. Sablone, O. Samoylov, W. Sands, S. Sanfilippo, M. Sant, R. Santorelli, C. Savarese, E. Scapparone, B. Schlitzer, E. Segreto, D.A. Semenov, A. Shchagin, A. Sheshukov, P.N. Singh, M.D. Skorokhvatov, O. Smirnov, A. Sotnikov, C. Stanford, S. Stracka, G.B. Suffritti, Y. Suvorov, R. Tartaglia, G. Testera, A. Tonazzo, P. Trinchese, E.V. Unzhakov, M. Verducci, A. Vishneva, B. Vogelaar, M. Wada, T.J. Waldrop, H. Wang, Y. Wang, A.W. Watson, S. Westerdale, M.M. Wojcik, M. Wojcik, X. Xiang, X. Xiao, C. Yang, Z. Ye, C. Zhu, A. Zichichi, G. Zuzel. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 121:11(2018 Sep), pp. 111303.111303-1-111303.111303-7.
open
Prodotti della ricerca::01 - Articolo su periodico
195
262
Article (author)
si
P. Agnes, I.F.M. Albuquerque, T. Alexander, A.K. Alton, G.R. Araujo, D.M. Asner, M. Ave, H.O. Back, B. Baldin, G. Batignani, K. Biery, V. Bocci, G. Bo...espandi
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