First Dark Matter Search with Nuclear Recoils from the XENONnT Experiment

Aprile, E.; Abe, K.; Agostini, F.; Maouloud, S. Ahmed; Althueser, L.; Andrieu, B.; Angelino, E.; Angevaare, J. R.; Antochi, V. C.; Martin, D. Antón; Arneodo, F.; Baudis, L.; Baxter, A. L.; Bazyk, M.; Bellagamba, L.; Biondi, R.; Bismark, A.; Brookes, E. J.; Brown, A.; Bruenner, S.; Bruno, G.; Budnik, R.; Chang, C. L.; Cai, Ce; Cardoso, J. M. R.; Cichon, D.; Chávez, A. P. Cimental; Colijn, A. P.; Conrad, J. M.; Cuenca-García, J. J.; Cussonneau, J. P.; D’Andrea, V.; Decowski, M. P.; Gangi, P. Di; Pede, S. Di; Diglio, S.; Eitel, K.; Elykov, A.; Farrell, S.; Ferella, A. D.; Ferrari, C.; Fischer, H.; Flierman, M.; Fulgione, W.; Fuselli, C.; Gaemers, P.; Gaïor, R.; Rosso, A. Gallo; Galloway, M.; Gao, F.; Glade-Beucke, R.; Grandi, L.; Grigat, J.; Guan, H; Guida, M.; Hammann, R.; Higuera, A.; Hils, C.; Hoetzsch, L.; Hood, N. F.; Howlett, J.; Iacovacci, M.; Itow, Y.; Jakob, J.; Joerg, F.; Joy, A.; Kato, Natsuko; Kara, M.; Kavrigin, P.; Kazama, S.; Kobayashi, M.; Koltman, G.; Kopec, A.; Kuger, F.; Landsman, H.; Lang, R. F.; Levinson, L.; Li, I.; Li, S.; Liang, S.; Lindemann, S.; Lindner, M.; Liu, K.; Loizeau, J.; Lombardi, F.; Long, J.; Lopes, J. A. M.; Ma, Y.; Macolino, C.; Mahlstedt, J.; Mancuso, A.; Manenti, L.; Marignetti, F.; Undagoitia, T. Marrodán; Martens, K.; Masbou, J.; Masson, D.; Masson, E.; Mastroianni, S.; Messina, M.; Miuchi, K.; Mizukoshi, K.; Molinario, A.; Moriyama, S.; Morå, K.; Mosbacher, Y.; Murra, M.; Müller, J.; Ni, K.; Oberlack, U.; Paetsch, B.; Palacio, J.; Peres, R.; Peters, C.; Pienaar, J.; Pierre, M.; Pizzella, V.; Plante, G.; Qi, Jing-Zhao; Qin, J.; García, D. Ramírez; Singh, R.; Sanchez, L. Escudero; Santos, J.M.F. dos; Sarnoff, I.; Sartorelli, G.; Schreiner, J.; Schulte, D.; Schulte, Peter; Eißing, H. Schulze; Schümann, M.; Lavina, L. Scotto; Selvi, M.; Semeria, F.; Shagin, P.; Shi, S.; Shockley, E.; Silva, M.; Simgen, H.; Takeda, A.; Tan, P.-L.; Terliuk, A.; Thers, D.; Toschi, F.; Trinchero, G.; Tunnell, C.; Tönnies, F.; Valerius, K.; Volta, G.; Weinheimer, C.; Weiss, Matthew J.; Wenz, D.; Wittweg, C.; Wolf, T. M. H.; Wu, V. H. S.; Xing, Y.; Xu, D.; Xu, Z.; Yamashita, M.; Yang, L. T.; J, Ye; Yuan, L.; Zavattini, G.; Zhong, M.; Zhu, T.

doi:10.1103/physrevlett.131.041003

articlePhysical Review LettersJul 28, 2023HYBRID OA

First Dark Matter Search with Nuclear Recoils from the XENONnT Experiment

EAE. Aprile KAK. Abe FAF. Agostini SAS. Ahmed Maouloud LAL. Althueser

Columbia University · Kavli Institute for the Physics and Mathematics of the Universe · +37 more institutions

PubMed

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Abstract

We report on the first search for nuclear recoils from dark matter in the form of weakly interacting massive particles (WIMPs) with the XENONnT experiment, which is based on a two-phase time projection chamber with a sensitive liquid xenon mass of 5.9 ton. During the (1.09±0.03) ton yr exposure used for this search, the intrinsic ^{85}Kr and ^{222}Rn concentrations in the liquid target are reduced to unprecedentedly low levels, giving an electronic recoil background rate of (15.8±1.3) events/ton yr keV in the region of interest. A blind analysis of nuclear recoil events with energies between 3.3 and 60.5 keV finds no significant excess. This leads to a minimum upper limit on the spin-independent WIMP-nucleon…

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Keywords

WIMP
Physics
Recoil
Nuclear physics
Dark matter
Xenon
Time projection chamber
Weakly interacting massive particles

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