TY - JOUR
T1 - First Search for Light Dark Matter in the Neutrino Fog with XENONnT
AU - (XENON Collaboration)
AU - Aprile, E.
AU - Aalbers, J.
AU - Abe, K.
AU - Ahmed Maouloud, S.
AU - Althueser, L.
AU - Andrieu, B.
AU - Angelino, E.
AU - Antón Martin, D.
AU - Arneodo, F.
AU - Baudis, L.
AU - Bazyk, M.
AU - Bellagamba, L.
AU - Biondi, R.
AU - Bismark, A.
AU - Boese, K.
AU - Brown, A.
AU - Bruno, G.
AU - Budnik, R.
AU - Cai, C.
AU - Capelli, C.
AU - Cardoso, J. M.R.
AU - Cimental Chávez, A. P.
AU - Colijn, A. P.
AU - Conrad, J.
AU - Cuenca-García, J. J.
AU - D'Andrea, V.
AU - Daniel Garcia, L. C.
AU - Decowski, M. P.
AU - Deisting, A.
AU - Di Donato, C.
AU - Di Gangi, P.
AU - Diglio, S.
AU - Eitel, K.
AU - El Morabit, S.
AU - Elykov, A.
AU - Ferella, A. D.
AU - Ferrari, C.
AU - Fischer, H.
AU - Flehmke, T.
AU - Flierman, M.
AU - Fulgione, W.
AU - Fuselli, C.
AU - Gaemers, P.
AU - Gaior, R.
AU - Galloway, M.
AU - Gao, F.
AU - Ghosh, S.
AU - Giacomobono, R.
AU - Glade-Beucke, R.
AU - Grandi, L.
N1 - Publisher Copyright:
© 2025 authors.
PY - 2025/3/21
Y1 - 2025/3/21
N2 - We search for dark matter (DM) with a mass [3,12] GeV/c2 using an exposure of 3.51 tonne year with the XENONnT experiment. We consider spin-independent DM-nucleon interactions mediated by a heavy or light mediator, spin-dependent DM-neutron interactions, momentum-dependent DM scattering, and mirror DM. Using a lowered energy threshold compared to the previous weakly interacting massive particle search, a blind analysis of [0.5, 5.0] keV nuclear recoil events reveals no significant signal excess over the background. XENONnT excludes spin-independent DM-nucleon cross sections >2.5×10-45 cm2 at 90% confidence level for 6 GeV/c2 DM. In the considered mass range, the DM sensitivity approaches the "neutrino fog,"the limitation where neutrinos produce a signal that is indistinguishable from that of light DM-xenon nucleus scattering.
AB - We search for dark matter (DM) with a mass [3,12] GeV/c2 using an exposure of 3.51 tonne year with the XENONnT experiment. We consider spin-independent DM-nucleon interactions mediated by a heavy or light mediator, spin-dependent DM-neutron interactions, momentum-dependent DM scattering, and mirror DM. Using a lowered energy threshold compared to the previous weakly interacting massive particle search, a blind analysis of [0.5, 5.0] keV nuclear recoil events reveals no significant signal excess over the background. XENONnT excludes spin-independent DM-nucleon cross sections >2.5×10-45 cm2 at 90% confidence level for 6 GeV/c2 DM. In the considered mass range, the DM sensitivity approaches the "neutrino fog,"the limitation where neutrinos produce a signal that is indistinguishable from that of light DM-xenon nucleus scattering.
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U2 - 10.1103/PhysRevLett.134.111802
DO - 10.1103/PhysRevLett.134.111802
M3 - Article
C2 - 40192362
AN - SCOPUS:105000493026
SN - 0031-9007
VL - 134
JO - Physical Review Letters
JF - Physical Review Letters
IS - 11
M1 - 111802
ER -