scholarly journals Fission Product Yield Data Adjustment in a Prototype Version of TSURFER

2021 ◽  
Author(s):  
Keith Bledsoe ◽  
Marco Pigni
2020 ◽  
Vol 242 ◽  
pp. 02002
Author(s):  
Shin Okumura

The IAEA conducted the completeness assessment of fission product yield (FPY) data in EXFOR database against two bibliographies that were used in ENDF/B-VI and UKFY3.0 library evaluations. We found that 194 articles are found to be relevant for new entry.


2015 ◽  
Vol 52 (7-8) ◽  
pp. 1018-1025 ◽  
Author(s):  
Rene Sanchez ◽  
John Bounds ◽  
Todd Bredeweg ◽  
Joetta Goda ◽  
Travis Grove ◽  
...  

2012 ◽  
Author(s):  
David J. Vieira ◽  
Charles Arnold ◽  
Morgan C. White ◽  
Jerry B. Wilhelmy ◽  
Malcolm M. Fowler ◽  
...  

2018 ◽  
Vol 55 (9) ◽  
pp. 1009-1023 ◽  
Author(s):  
Shin Okumura ◽  
Toshihiko Kawano ◽  
Patrick Jaffke ◽  
Patrick Talou ◽  
Satoshi Chiba

2020 ◽  
Vol 242 ◽  
pp. 03002
Author(s):  
R. Vogt ◽  
J. Randrup ◽  
N. Vassh ◽  
T. Sprouse ◽  
R. Surman

The fast event-by-event fission code FREYA (Fission Reaction Event Yield Algorithm) generates large samples of complete fission events while employing only a few physics-based parameters. Not only is FREYA fast, it is also flexible, able to employ a variety of input formats to test the implications of various fission yield evaluations on neutron and photon observables. We describe how FREYA was applied to the neutron-rich nuclei needed for r-process nucleosynthesis calculations as an example of this flexibility. Finally, we discuss how we plan to make use of this flexibility to extend FREYA to calculations of cumulative fission product yields to aid evaluations of these yields in the future.


2019 ◽  
Vol 211 ◽  
pp. 04005 ◽  
Author(s):  
Shin Okumura ◽  
Toshihiko Kawano ◽  
Satoshi Chiba

We demonstrate the neutron emission and fission product yield calculations using the Hauser–Feshbach Fission Fragment Decay (HF3D) model and β decay. The HF3D model calculates the statistical decay of more than 500 primary fission fragment pairs formed by the neutron induced fission of 235U. In order to calculate the prompt neutron and photon emissions, the primary fission fragment distributions, i.e. mass, charge, excitation energy, spin and parity are deterministically generated and numerically integrated for all fission fragments. The calculated prompt neutron multiplicities, independent fission product yield are fully consistent each other. We combine the β-decay and the summation calculations with the HF3D model calculation to obtain the cumulative fission product yield, decay heat and delayed neutron yield. The calculated fission observables are compared with available experimental data.


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