E Aprile, J Aalbers, K Abe, M M Abu Rmeileh, 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, 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, E Kozlova, H Landsman, R F Lang, L Levinson, A Li, H 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, J Merz, M Messina, A Michel, K Miuchi, R Miyata, A Molinario, S Moriyama, M Murra, J Müller, K Ni, C T Oba Ishikawa, U Oberlack, K Otsuzuki, 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, M T Schiller, 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, 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
We report a 3.3σ measurement of coherent elastic neutrino-nucleus scattering from solar ^{8}B neutrinos using a 6.77 t×yr exposure from the XENONnT experiment, inferring a solar ^{8}B neutrino flux of (5_{-2}^{+3})×10^{6} cm^{-2} s^{-1}, consistent with previous measurements. In the presence of the ^{8}B "neutrino fog," we find no evidence for light dark matter, and observe diminishing returns in sensitivity with increasing exposure. A 93% increase in exposure from the previous search improves the median sensitivity to the nucleon scattering cross section for a 5 GeV/c^{2} spin-independent weakly interacting massive particle by 10%. The dataset was also used to measure the weak mixing angle at ∼0.02 GeV/c momentum transfer and constrain physics beyond the Standard Model.