| Issue |
EPJ Web Conf.
Volume 146, 2017
ND 2016: International Conference on Nuclear Data for Science and Technology
|
|
|---|---|---|
| Article Number | 10003 | |
| Number of page(s) | 4 | |
| Section | Nuclear Masses, Structure and Decay Data Measurements | |
| DOI | https://doi.org/10.1051/epjconf/201714610003 | |
| Published online | 13 September 2017 | |
https://doi.org/10.1051/epjconf/201714610003
Analysis of reactor-neutrino spectra fully based on gross theory of beta-decay emphasizing the special role of odd-odd FP nuclides
1 Tokyo Institute of Technology, Laboratory for Advanced Nuclear Energy, Ookayama, Meguro-ku, Tokyo, Japan
2 Waseda University, Advanced Research Institute for Science and Engineering, Okubo, Shinjuku-ku, Tokyo, Japan
a e-mail: tyoshida@nr.titech.ac.jp
Published online: 13 September 2017
We applied the gross theory of β-decay to calculate the reactor antineutrino (νe) spectra emitted from 235,238U and 239,241Pu samples under neutron irradiation by summing up all the contributions from a large number of decaying fission-products (FPs). Considering the special role of the odd(Z)-odd(N) FPs in spectrum-shaping, we utilized the experimentally-known spin-parity of each odd-odd FP through the treatment proposed by Nakata, Tachibana and Yamada. Owing to this treatment, the consistency between calculated and experimental spectra was remarkably improved in a way expected from the nature of the gross theory of β-decay.
© The Authors, published by EDP Sciences, 2017
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