期刊
UNIVERSE
卷 7, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/universe7070246
关键词
neutrino oscillations; reactor anomaly; gallium anomaly; nuclear fission; inverse beta decay; antineutrino flux; radioactive sources
The research discusses the connection between the reactor antineutrino anomaly and the gallium neutrino anomaly, utilizing statistical analysis and a quantum field-theoretical approach to explain the small deviations from the classical inverse-square law. The conclusions help to solve these long-standing mysteries.
We discuss a possibility that the so-called reactor antineutrino anomaly (RAA), which is a deficit of the (nu) over bar (e) rates in the reactor experiments in comparison to the theoretical expectations, can at least in part be explained by applying a quantum field-theoretical approach to neutrino oscillations, which in particular predicts a small deviation from the classical inverse-square law at short (but still macroscopic) distances between the neutrino source and detector. An extensive statistical analysis of the current reactor data on the integrated (nu) over bar (e) event rates vs. baseline is performed to examine this speculation. The obtained results are applied to study another long-standing puzzle-gallium neutrino anomaly (GNA), which is a missing nu(e) flux from Ar-37 and Cr-51 electron-capture decays as measured by the gallium-germanium solar neutrino detectors GALLEX and SAGE.
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