| Issue |
EPJ Web Conf.
Volume 239, 2020
ND 2019: International Conference on Nuclear Data for Science and Technology
|
|
|---|---|---|
| Article Number | 02005 | |
| Number of page(s) | 4 | |
| Section | Nuclear Masses, Structure and Decay Data Measurements | |
| DOI | https://doi.org/10.1051/epjconf/202023902005 | |
| Published online | 30 September 2020 | |
https://doi.org/10.1051/epjconf/202023902005
Analysis of the reactor antineutrino spectrum anomaly with fuel burnup
1 North China Electric Power University, Beijing 102206, China.
* e-mail: maxb@ncepu.edu.cn
Published online: 30 September 2020
Recently, three successful antineutrino experiments (Daya Bay, Double Chooz, and RENO) measured the neutrino mixing angle θ13; however, significant discrepancies were found, both in the absolute flux and spectral shape. Much effort has been expended investigating the possible reasons for the discrepancies. In this paper, the change of neutrino energy spectrum with burnup is analyzed from the point of view of the change of neutrino energy spectrum with burnup. An accurate method for calculating neutrino energy spectrum is proposed. The non-equilibrium correction is studied by using this method. It is found that the non-equilibrium correction contributes not only to the energy region less than 4.0 MeV, but also to the energy region greater than 4.0 MeV, with a maximum correction of about 3%.
© The Authors, published by EDP Sciences, 2020
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