Search for New Physics in Electronic Recoil Data from XENONnT

We report on a blinded analysis of low-energy electronic-recoil data from the first science run of the XENONnT dark matter experiment. Novel subsystems and the increased 5.9 tonne liquid xenon target reduced the background in the (1, 30) keV search region to \((15.8 \pm 1.3)\) events/(tonne\(\times\...

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Published in:arXiv.org 2022-11
Main Authors: Aprile, E, Agostini, F, S Ahmed Maouloud, Angelino, E, Arneodo, F, Baudis, L, Baxter, A L, Biondi, R, Bismark, A, Brown, A, Budnik, R, Bui, T K, Cai, C, Clark, M, Decowski, M P, R Di Stefano, Diglio, S, Elykov, A, Fulgione, W, Gaemers, P, Gaior, R, Galloway, M, Gao, F, Gardner, R, Glade-Beucke, R, Guida, M, Hammann, R, Higuera, A, Hils, C, Hoetzsch, L, Howlett, J, Itow, Y, Jakob, J, Joerg, F, Kato, N, Kara, M, Kavrigin, P, Kazama, S, Kobayashi, M, Koltman, G, Kopec, A, Lang, R F, I Li, Liang, S, Lindemann, S, Lindner, M, Liu, K, Lombardi, F, Lopes, J A M, Y Ma, Macolino, C, Mahlstedt, J, Mancuso, A, T Marrodán Undagoitia, Martens, K, Masson, D, Masson, E, Mastroianni, S, Miuchi, K, Mizukoshi, K, Mosbacher, Y, Murra, M, K Ni, Paetsch, B, Paschos, P, Peres, R, Pizzella, V, Plante, G, Qin, J, D Ramírez García, Reichard, S, Rocchetti, A, Rupp, N, Sanchez, L, J M F dos Santos, Sarnoff, I, Sartorelli, G, Schreiner, J, Schulte, P, H Schulze Eißing, Schumann, M, L Scotto Lavina, Selvi, M, Semeria, F, Shi, S, Shockley, E, Takeda, A, Thers, D, Tönnies, F, Valerius, K, Volta, G, Wei, Y, Weiss, M, Wenz, D, Wittweg, C, D Xu, Yamashita, M, Yuan, L, Zhong, M, Zhu, T
Format: Article
Language:English
Subjects:
Dark matter
Magnetic moments
Neutrinos
Recoil
Subsystems
Xenon
Online Access:Get full text
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Summary:We report on a blinded analysis of low-energy electronic-recoil data from the first science run of the XENONnT dark matter experiment. Novel subsystems and the increased 5.9 tonne liquid xenon target reduced the background in the (1, 30) keV search region to \((15.8 \pm 1.3)\) events/(tonne\(\times\)year\(\times\)keV), the lowest ever achieved in a dark matter detector and \(\sim\)5 times lower than in XENON1T. With an exposure of 1.16 tonne-years, we observe no excess above background and set stringent new limits on solar axions, an enhanced neutrino magnetic moment, and bosonic dark matter.
ISSN:2331-8422
DOI:10.48550/arxiv.2207.11330