Search for dark matter annual modulation with DarkSide-50

Dark matter may induce an event in an Earth-based detector, and its event rate is predicted to show an annual modulation as a result of the Earth’s orbital motion around the Sun. We searched for this modulation signature using the ionization signal of the DarkSide-50 liquid argon time projection cha...

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Veröffentlicht in:	Phys.Rev.D 2024-11, Vol.110 (10), Article 102006
Hauptverfasser:	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., Hugues, T., Hungerford, E. V., Ianni, An, Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., Kuźniak, 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.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics High Energy Physics - Experiment Physics
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Zusammenfassung:	Dark matter may induce an event in an Earth-based detector, and its event rate is predicted to show an annual modulation as a result of the Earth’s orbital motion around the Sun. We searched for this modulation signature using the ionization signal of the DarkSide-50 liquid argon time projection chamber. No significant signature compatible with dark matter is observed in the electron recoil equivalent energy range above 40 eV ee , the lowest threshold ever achieved in such a search.
ISSN:	2470-0010 2470-0029
DOI:	10.1103/PhysRevD.110.102006