scholarly journals Summary Report of the 1st RCM of the CRP on the Updating Fission Yield Data for Applications

2020 ◽  
Author(s):  
BORIS PRITYCHENKO ◽  
S Oberstedt ◽  
O Cabellos ◽  
R Vogt ◽  
R Capote ◽  
...  
2021 ◽  
Author(s):  
B Pritycheno ◽  
S Oberstedt ◽  
O Cabellos ◽  
R Vogt ◽  
R Capote ◽  
...  

2003 ◽  
Author(s):  
R.B. Firestone ◽  
G.L. Molnar ◽  
Zs. Revay ◽  
T. Belgya

2018 ◽  
Vol 169 ◽  
pp. 00017
Author(s):  
Stephan Pomp ◽  
Andrea Mattera ◽  
Vasileios Rakopoulos ◽  
Ali Al-Adili ◽  
Mattias Lantz ◽  
...  

Data on fission yields and isomeric yield ratios (IYR) are tools to study the fission process, in particular the generation of angular momentum. We use the IGISOL facility with the Penning trap JYFLTRAP in Jyväskylä, Finland, for such measurements on 232Th and natU targets. Previously published fission yield data from IGISOL concern the 232Th(p,f) and 238U(p,f) reactions at 25 and 50 MeV. Recently, a neutron source, using the Be(p,n) reaction, has been developed, installed and tested. We summarize the results for (p,f) focusing on the first measurement of IYR by direct ion counting. We also present first results for IYR and relative yields for Sn and Sb isotopes in the 128-133 mass range from natU(n,f) based on γ-spectrometry. We find a staggering behaviour in the cumulative yields for Sn and a shift in the independent fission yields for Sb as compared to current evaluations. Plans for the future experimental program on fission yields and IYR measurements are discussed.


2016 ◽  
Vol 111 ◽  
pp. 08004 ◽  
Author(s):  
Jun-ichi Katakura ◽  
Futoshi Minato ◽  
Kazuya Ohgama
Keyword(s):  

1955 ◽  
Vol 33 (5) ◽  
pp. 830-837 ◽  
Author(s):  
E. A. Melaika ◽  
M. J. Parker ◽  
J. A. Petruska ◽  
R. H. Tomlinson

The relative fission yields of neodymium and samarium isotopes have been measured with a mass spectrometer for samples of natural uranium and U233 that had been irradiated with moderated neutrons. The cross sections for neutron capture by Sm149 and Sm151 have been determined to be 66,200 ± 2500 barns and 12,000 barns respectively, relative to the cross section of a B10 monitor. The half-lives of Pm147 and Sm151 have been evaluated to be 2.52 ± 0.08 yr. and ~93 yr., respectively, from samarium fission yield data for samples differing in age by seven years.


2020 ◽  
Vol 242 ◽  
pp. 05004
Author(s):  
Futoshi Minato

JENDL group has developed evaluated fission yield and decay data. They are now planned to be upgraded in order to embody new experimental data and theoretical developments obtained after the last release. In this paper, we briefly describe a plan and present activity toward next JENDL fission yield and decay data.


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