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First constraints on the coherent elastic scattering of reactor antineutrinos off xenon nuclei

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arxiv 2411.18641 v1 pith:IEAV2KN5 submitted 2024-11-25 hep-ex

First constraints on the coherent elastic scattering of reactor antineutrinos off xenon nuclei

D.Yu. Akimov , I.S. Alexandrov , V.A. Belov , A.I. Bolozdynya , A.V. Etenko , A.V. Galavanov , Yu.V. Gusakov , A.V. Khromov
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A.M. Konovalov V.N. Kornoukhov A.G. Kovalenko E.S. Kozlova A.V. Kumpan A.V. Lukyashin A.V. Pinchuk O.E. Razuvaeva D.G. Rudik A.V. Shakirov G.E. Simakov V.V. Sosnovstsev A.A. Vasin
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keywords reactorcdotxenonantineutrinoscoherentconstraintsdaysdetector
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RED-100 is a two-phase emission detector with an active volume containing 126~kg of liquid xenon. The detector was exposed to the antineutrino flux of about $1.4 \cdot 10^{13}~$cm$^{-2}$s$^{-1}$ at a distance of 19~m from the 3.1~GW Kalinin Nuclear Power Plant (KNPP) reactor core. The comparison of data from 331~kg$\cdot$days with the reactor on and 106~kg$\cdot$days with the reactor off shows no statistically significant excess and allows to put constraints on coherent elastic interactions of antineutrinos with xenon nuclei.

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