학술논문

Search for dark matter particle interactions with electron final states with DarkSide-50
Document Type
Working Paper
Author
Collaboration, The DarkSide-50Agnes, 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.Cariello, M.Carlini, M.Carpinelli, 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.di Cortona, G. GrilliGrobov, 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.Picciau, E.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.Sanford, 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.
Source
Subject
High Energy Physics - Experiment
Astrophysics - Cosmology and Nongalactic Astrophysics
Language
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 (12306 $\pm$ 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 $\bar{\sigma}_e$, the axioelectric coupling constant $g_{Ae}$, and the dark photon kinetic mixing parameter $\kappa$. We also set the first dark matter direct-detection constraints on the mixing angle $\left|U_{e4}\right|^2$ for keV sterile neutrinos.
Comment: 6 pages, 2 figures