Search for Dark Matter Annual Modulation with DarkSide-50

The DarkSide-5 Collaboration,P. Agnes,I. F. M. Albuquerque,T. Alexander,A. K. Alton,M. Ave,H. O. Back,G. Batignani,K. Biery,V. Bocci,W. M. Bonivento,B. Bottino,S. Bussino,M. Cadeddu,M. Cadoni,F. Calaprice,A. Caminata,M. D. Campos,N. Canci,M. Caravati,N. Cargioli,M. Cariello,M. Carlini,V. Cataudella,P. Cavalcante,S. Cavuoti,S. Chashin,A. Chepurnov,C. Cicalò,G. Covone,D. D'Angelo,S. Davini,A. De Candia,S. De Cecco,G. De Filippis,G. De Rosa,A. V. Derbin,A. Devoto,M. D'Incecco,C. Dionisi,F. Dordei,M. Downing,D. D'Urso,M. Fairbairn,G. Fiorillo,D. Franco,F. Gabriele,C. Galbiati,C. Ghiano,C. Giganti,G. K. Giovanetti,A. M. Goretti,G. Grilli di Cortona,A. Grobov,M. Gromov,M. Guan,M. Gulino,B. R. Hackett,K. Herner,T. Hessel,B. Hosseini,F. Hubaut,T. Hugues,E. V. Hungerford,An. Ianni,V. Ippolito,K. Keeter,C. L. Kendziora,M. Kimura,I. Kochanek,D. Korablev, G. Korga,A. Kubankin,M. Kuss,M. Kuźniak,M. La Commara,M. Lai,X. Li,M. Lissia,G. Longo,O. Lychagina,I. N. Machulin,L. P. Mapelli,S. M. Mari,J. Maricic,A. Messina,R. Milincic,J. Monroe,M. Morrocchi,X. Mougeot,V. N. Muratova,P. Musico,A. O. Nozdrina,A. Oleinik,F. Ortica,L. Pagani,M. Pallavicini, L. Pandola,E. Pantic,E. Paoloni,K. Pelczar,N. Pelliccia,S. Piacentini,A. Pocar,D. M. Poehlmann,S. Pordes,S. S. Poudel,P. Pralavorio,D. D. Price,F. Ragusa,M. Razeti,A. Razeto,A. L. Renshaw,M. Rescigno,J. Rode,A. Romani,D. Sablone,O. Samoylov,E. Sandford,W. Sands,S. Sanfilippo,C. Savarese,B. Schlitzer,D. A. Semenov,A. Shchagin,A. Sheshukov,M. D. Skorokhvatov,O. Smirnov,A. Sotnikov,S. Stracka,Y. Suvorov,R. Tartaglia,G. Testera,A. Tonazzo,E. V. Unzhakov,A. Vishneva,R. B. Vogelaar,M. Wada,H. Wang,Y. Wang,S. Westerdale,M. M. Wojcik,X. Xiao,C. Yang,G. Zuzel

arXiv (Cornell University)（2023）

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摘要

Dark matter induced event rate in an Earth-based detector 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 $40~{\rm eV_{ee}}$, the lowest threshold ever achieved in such a search.

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Dark Matter

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