Abstract
The concept of combination \( {\overline{\nu}}_e \)-source for future short-baseline experiments is discussed. The source ensures: 1) well defined hard antineutrino flux; 2) the rate of counts more than ∼ 103 per day in the detector volume ∼ m3; 3) low level of \( \left({\overline{\nu}}_e,p\right) \)-count-errors — ≲ 1%. The source is based on (n, γ)-activation of 7Li near the reactor active zone and transport of the fast β−-decaying 8Li isotope toward a remote neutrino detector and back in the closed loop. We propose the low-errors-experiment for reliable search of sterile neutrinos with Δm2 ∼ 1eV2. The results of simulation for (3+1) and (3+2) sterile neutrino models indicate the space regions for search of \( {\overline{\nu}}_e \)-disappearance outside the interval of \( {\overline{\nu}}_e \)-spectrum errors.
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Lyashuk, V.I. Intensive electron antineutrino source with well defined hard spectrum on the base of nuclear reactor and 8-lithium transfer. The promising experiment for sterile neutrinos search. J. High Energ. Phys. 2019, 135 (2019). https://doi.org/10.1007/JHEP06(2019)135
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DOI: https://doi.org/10.1007/JHEP06(2019)135