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Journal Articles

Uncertainty analyses in the resolved resonance region of $$^{235}U$$, $$^{238}U$$, and $$^{239}Pu$$ with the Reich-Moore $$R$$-matrix theory for JENDL-3.2

Kawano, Toshihiko*; Shibata, Keiichi

Journal of Nuclear Science and Technology, 39(8), p.807 - 815, 2002/08

https://doi.org/10.3327/jnst.39.807
 Times Cited Count：6 Percentile：39.48(Nuclear Science & Technology)

A simple method to estimate covariances for resolved resonance parameters was developed. Although a large number of resolved resonances are observed for major actinides, uncertainties in averaged cross sections are more important than those in resonance parameters in reactor calculations. The method developed here is to derive a covariance matrix for the resolved resonance parameters which gives an appropriate uncertainty of the averaged cross sections. The method was adopted to evaluate the covariance data for $$^{235}U$$, $$^{238}U$$, and $$^{239}Pu$$ resonance parameters in JENDL-3.2,with the Reich-Moore R-matrix formula.

Journal Articles

R-matrix analysis of neutron effective total cross section, fission cross section and capture cross section of $$^{233}$$U in the energy range from thermal to 150 eV

H.Derrien*

Journal of Nuclear Science and Technology, 31(5), p.379 - 397, 1994/00

https://doi.org/10.3327/jnst.31.379
 Times Cited Count：9 Percentile：63.31(Nuclear Science & Technology)

no abstracts in English

Journal Articles

R-matrix analysis of $$^{239}$$Pu neutron transmissions and fission cross sections in energy range from 1.0 keV to 2.5 keV

H.Derrien*

Journal of Nuclear Science and Technology, 30(9), p.845 - 862, 1993/09

https://doi.org/10.3327/jnst.30.845
 Times Cited Count：11 Percentile：72.06(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Evaluation of Neutron Nuclear Data for $$^{2}$$$$^{4}$$$$^{5}$$Cm

; Nakagawa, Tsuneo

JAERI-M 7733, 50 Pages, 1978/06

JAERI-M-7733.pdf:1.46MB

no abstracts in English

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