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DOI 10.1103/2lrq-f6bk

Медицинская библиотека · Physical review letters · 2026

Light Dark Matter Search with 7.8 Tonne-Year of Ionization-Only Data in XENONnT.

Aprile E, Aalbers J, Abe K, Adrover M, Ahmed Maouloud S, Althueser L, Andrieu B, Angelino E, Antón Martin D, Armbruster S R, Arneodo F, Baudis L, Bazyk M, Beligotti V, Bellagamba L, Biondi R, Bismark A, Boese K, Braun R M, Bruni G, Bruno G, Budnik R, Cai C, Capelli C, Cardoso J M R, Cimental Chávez A P, Colijn A P, Conrad J, Cuenca-García J J, D'Andrea V, Daniel Garcia L C, Decowski M P, Deisting A, Di Donato C, Di Gangi P, Diglio S, Eitel K, El Morabit S, Elleboro R, Elykov A, Ferella A D, Ferrari C, Fischer H, Flehmke T, Flierman M, Frankel R, Fuchs D, Fulgione W, Fuselli C, Gao F, Giacomobono R, Girard F, Glade-Beucke R, Grandi L, Grigat J, Guan H, Guida M, Gyorgy P, Hammann R, Hils C, Hoetzsch L, Hood N F, Iacovacci M, Itow Y, Jakob J, Joerg F, Kaminaga Y, Kara M, Kazama S, Kharbanda P, Kobayashi M, Koke D, Kooshkjalali K, Kopec A, Landsman H, Lang R F, Levinson L, Li A, Li I, Li S, Liang S, Liang Z, Lin Y-T, Lindemann S, Lindner M, Liu K, Liu M, Lombardi F, Lopes J A M, Lucchetti G M, Luce T, Ma Y, Macolino C, Madduri G C, Mahlstedt J, Marignetti F, Marrodán Undagoitia T, Martens K, Masbou J, Mastroianni S, Mazza V, Melchiorre A, Merz J, Messina M, Michel A, Miuchi K, Molinario A, Moriyama S, Murra M, Müller J, Ni K, Oba Ishikawa C T, Oberlack U, Ouahada S, Paetsch B, Pan Y, Pellegrini Q, Peres R, Pienaar J, Pierre M, Plante G, Pollmann T R, Pompa F, Prajapati A, Principe L, Qin J, Ramírez García D, Ravindran A, Razeto A, Singh R, Sanchez L, Dos Santos J M F, Sarnoff I, Sartorelli G, Schreiner J, Schulte P, Schulze Eißing H, Schumann M, Scotto Lavina L, Selvi M, Semeria F, Semler F N, Shagin P, Shi S, Simgen H, Song Z, Stevens A, Szyszka C, Takeda A, Takeuchi Y, Tan P-L, Thers D, Trinchero G, Tunnell C D, Valerius K, Vecchi S, Vetter S, Volta G, von Krosigk B, Weinheimer C, Weiss M, Wenz D, Wittweg C, Wu V H S, Xing Y, Xu D, Xu Z, Yamashita M, Yang J, Yang L, Ye J, Yoshida M, Yuan L, Zavattini G, Zhao Y, Zhong M, Zhu T, XENON Collaboration

СтатьяПеревод пока не подготовлен

Аннотация

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.

Для цитирования: Aprile E, Aalbers J, Abe K, Adrover M, Ahmed Maouloud S, Althueser L, Andrieu B, Angelino E, Antón Martin D, Armbruster S R, Arneodo F, Baudis L, Bazyk M, Beligotti V, Bellagamba L, Biondi R, Bismark A, Boese K, Braun R M, Bruni G, Bruno G, Budnik R, Cai C, Capelli C, Cardoso J M R, Cimental Chávez A P, Colijn A P, Conrad J, Cuenca-García J J, D'Andrea V, Daniel Garcia L C, Decowski M P, Deisting A, Di Donato C, Di Gangi P, Diglio S, Eitel K, El Morabit S, Elleboro R, Elykov A, Ferella A D, Ferrari C, Fischer H, Flehmke T, Flierman M, Frankel R, Fuchs D, Fulgione W, Fuselli C, Gao F, Giacomobono R, Girard F, Glade-Beucke R, Grandi L, Grigat J, Guan H, Guida M, Gyorgy P, Hammann R, Hils C, Hoetzsch L, Hood N F, Iacovacci M, Itow Y, Jakob J, Joerg F, Kaminaga Y, Kara M, Kazama S, Kharbanda P, Kobayashi M, Koke D, Kooshkjalali K, Kopec A, Landsman H, Lang R F, Levinson L, Li A, Li I, Li S, Liang S, Liang Z, Lin Y-T, Lindemann S, Lindner M, Liu K, Liu M, Lombardi F, Lopes J A M, Lucchetti G M, Luce T, Ma Y, Macolino C, Madduri G C, Mahlstedt J, Marignetti F, Marrodán Undagoitia T, Martens K, Masbou J, Mastroianni S, Mazza V, Melchiorre A, Merz J, Messina M, Michel A, Miuchi K, Molinario A, Moriyama S, Murra M, Müller J, Ni K, Oba Ishikawa C T, Oberlack U, Ouahada S, Paetsch B, Pan Y, Pellegrini Q, Peres R, Pienaar J, Pierre M, Plante G, Pollmann T R, Pompa F, Prajapati A, Principe L, Qin J, Ramírez García D, Ravindran A, Razeto A, Singh R, Sanchez L, Dos Santos J M F, Sarnoff I, Sartorelli G, Schreiner J, Schulte P, Schulze Eißing H, Schumann M, Scotto Lavina L, Selvi M, Semeria F, Semler F N, Shagin P, Shi S, Simgen H, Song Z, Stevens A, Szyszka C, Takeda A, Takeuchi Y, Tan P-L, Thers D, Trinchero G, Tunnell C D, Valerius K, Vecchi S, Vetter S, Volta G, von Krosigk B, Weinheimer C, Weiss M, Wenz D, Wittweg C, Wu V H S, Xing Y, Xu D, Xu Z, Yamashita M, Yang J, Yang L, Ye J, Yoshida M, Yuan L, Zavattini G, Zhao Y, Zhong M, Zhu T, XENON Collaboration. Light Dark Matter Search with 7.8 Tonne-Year of Ionization-Only Data in XENONnT.. Physical review letters. 2026. DOI: 10.1103/2lrq-f6bk.
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