Study calculates antineutrino spectra for fissile isotopes, suggesting improved accuracy in predictions.
Antineutrino spectra of fissile isotopes were calculated using a new method of fitting four experimental spectra measured with high statistics. Calculation was made based on summation method with the possibility of changing individual spectrum shape of unknown fragments. Obtained calculated spectra conforms to all experiments and reproduce with the best accuracy measured inverse beta decay cross sections. The “bump” observed in comparison of measured spectra with the calculated ones disappeared.
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Синев et al. (2026) studied this question.
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