Authors
E Aprile, J Aalbers, K Abe, M Adrover, S Ahmed Maouloud, L Althueser, B Andrieu, E Angelino, D Antón Martin, S R Armbruster, F Arneodo, L Baudis, M Bazyk, V Beligotti, L Bellagamba, R Biondi, A Bismark, K Boese, R M Braun, G Bruni, G Bruno, R Budnik, C Cai, C Capelli, J M R Cardoso, A P Cimental Chávez, A P Colijn, J Conrad, J J Cuenca-García, V D'Andrea, L C Daniel Garcia, M P Decowski, A Deisting, C Di Donato, P Di Gangi, S Diglio, K Eitel, S El Morabit, R Elleboro, A Elykov, A D Ferella, C Ferrari, H Fischer, T Flehmke, M Flierman, R Frankel, D Fuchs, W Fulgione, C Fuselli, F Gao, R Giacomobono, F Girard, R Glade-Beucke, L Grandi, J Grigat, H Guan, M Guida, P Gyorgy, R Hammann, C Hils, L Hoetzsch, N F Hood, M Iacovacci, Y Itow, J Jakob, F Joerg, Y Kaminaga, M Kara, S Kazama, P Kharbanda, M Kobayashi, D Koke, K Kooshkjalali, A Kopec, H Landsman, R F Lang, L Levinson, A Li, I Li, S Li, S Liang, Z Liang, Y-T Lin, S Lindemann, M Lindner, K Liu, M Liu, F Lombardi, J A M Lopes, G M Lucchetti, T Luce, Y Ma, C Macolino, G C Madduri, J Mahlstedt, F Marignetti, T Marrodán Undagoitia, K Martens, J Masbou, S Mastroianni, V Mazza, A Melchiorre, J Merz, M Messina, A Michel, K Miuchi, A Molinario, S Moriyama, M Murra, J Müller, K Ni, C T Oba Ishikawa, U Oberlack, S Ouahada, B Paetsch, Y Pan, Q Pellegrini, R Peres, J Pienaar, M Pierre, G Plante, T R Pollmann, F Pompa, A Prajapati, L Principe, J Qin, D Ramírez García, A Ravindran, A Razeto, R Singh, L Sanchez, J M F Dos Santos, I Sarnoff, G Sartorelli, J Schreiner, P Schulte, H Schulze Eißing, M Schumann, L Scotto Lavina, M Selvi, F Semeria, F N Semler, P Shagin, S Shi, H Simgen, Z Song, A Stevens, C Szyszka, A Takeda, Y Takeuchi, P-L Tan, D Thers, G Trinchero, C D Tunnell, K Valerius, S Vecchi, S Vetter, G Volta, B von Krosigk, C Weinheimer, M Weiss, D Wenz, C Wittweg, V H S Wu, Y Xing, D Xu, Z Xu, M Yamashita, J Yang, L Yang, J Ye, M Yoshida, L Yuan, G Zavattini, Y Zhao, M Zhong, T Zhu, XENON Collaboration
Published in
Physical review letters. Volume 137. Issue 5. Pages 051003. Jul 31, 2026.
Abstract
We report on a blinded search for dark matter (DM) using ionization-only (S2-only) signals in XENONnT with a total exposure of 7.83 Tonne-year over 579 days in three science runs. Dedicated background suppression techniques and the first complete S2-only background model in XENONnT provide sensitivity to nuclear recoils of [0.5,5.0] keV_{nr} and electronic recoils of [0.04,0.7] keV_{ee}. No significant excess over the expected background is observed, and we set 90% confidence level upper limits on spin-independent DM-nucleon and spin-dependent DM-neutron scattering for DM masses between 3 and 8 GeV/c^{2}, as well as on DM-electron scattering, axionlike particles, and dark photons, improving on previous constraints. For spin-independent DM-nucleon scattering, we exclude cross sections above 6.0×10^{-45} cm^{2} at a DM mass of 5 GeV/c^{2}, pushing the XENONnT sensitivity closer to the region where coherent elastic neutrino-nucleus scattering becomes an irreducible background.
PMID:
42606464
Bibliographic data and abstract were imported from PubMed on 17 Aug 2026.
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