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Exploring coherent elastic neutrino-nucleus scattering using reactor electron antineutrinos in the NEON experiment

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arxiv 2204.06318 v2 pith:FMLOVIYB submitted 2022-04-08 hep-ex nucl-exphysics.ins-det

J.J. Choi , E.J. Jeon , J.Y. Kim , K.W. Kim , S.H. Kim , S.K. Kim , Y.D. Kim , Y.J. Ko
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B.C. Koh C. Ha B.J. Park S.H. Lee I.S. Lee H. Lee H.S. Lee J. Lee Y.M. Oh
This is my paper · ORCID
classification hep-exnucl-exphysics.ins-det
keywords neonkeveereactorscatteringcoherentcrystalsdetectorelastic
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

Neutrino elastic scattering observation with NaI (NEON) is an experiment designed to detect neutrino-nucleus coherent scattering using reactor electron antineutrinos. NEON is based on an array of six NaI(Tl) crystals with a total mass of 13.3 kg, located at the tendon gallery that is 23.7 m away from a reactor core with a thermal power of 2.8 GW in the Hanbit nuclear power complex. The installation of the NEON detector was completed in December 2020, and since May 2021, the detector has acquired data at full reactor power. Based on the observed light yields of the NaI crystals of approximately 22, number of photoelectrons per unit keV electron-equivalent energy (keVee), and 6 counts/kg/keV/day background level at 2-6 keVee energy, coherent elastic neutrino-nucleus scattering observation sensitivity is evaluated as more than 3$\sigma$ assuming one-year reactor-on and 100 days reactor-off data, 0.2 keVee energy threshold, and 7 counts/keV/kg/day background in the signal region of 0.2-0.5 keVee. This paper describes the design of the NEON detector, including the shielding arrangement, configuration of NaI(Tl) crystals, and associated operating systems. The initial performance and associated sensitivity of the experiment are also presented.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Direct observation of coherent elastic antineutrino-nucleus scattering

    hep-ex 2025-01 conditional novelty 7.0 of 10

    CONUS+ reports the first 3.7 sigma observation of coherent elastic antineutrino-nucleus scattering at a nuclear reactor, with 395 measured events versus 347 predicted.

  2. Testing lepton non-unitarity with the next generation of Germanium-based CE$\nu$NS reactor experiments

    hep-ph 2025-12 conditional novelty 5.0 of 10

    A future 100-kg Germanium reactor CEνNS experiment could constrain lepton non-unitarity to 1−α11² ≈ 0.005 and, under low-scale seesaw assumptions, probe new-physics scales up to ~2.5 TeV.

  3. Background characterization of the CONUS+ experimental location

    physics.ins-det 2024-12 conditional novelty 5.0 of 10

    The new CONUS+ site has a 30 times higher reactor-related neutron fluence but 26 times lower high-energy gamma background than CONUS, plus a dominant simulated cosmogenic neutron background above 20 MeV.

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