Theoretical Analysis of Double Differential Cross Sections for n+ <SUP>238</SUP>U Reaction

HAN Yin-Lu

Chinese Physics C> 2004, Vol. 28> Issue(2) : 177-180

Theoretical Analysis of Double Differential Cross Sections for n+ ²³⁸U Reaction

HAN Yin-Lu ^,

China Institute of Atomic Energy,Beijing 102413,China

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Abstract：
Based on the new measurements of total, nonelastic, elastic cross section and elastic scattering angular distributions for n+U reactions, a set of neutron optical model potential parameters is obtained in the region of incident neutron energy from 0.1 to 20 MeV. The cross sections, angular distributions, energy spectra and double differential cross sections are calculated and analyzed by optical model, nuclear fission theory, distorted wave Born approximation theory, coupled channel theory, the unified Hauser-Feshbach theory, as well as exciton model. The results indicate that our theoretical model can reasonably analysis n+ ²³⁸U reaction data with neutron energy lower than 20 MeV.

References

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HAN Yin-Lu. Theoretical Analysis of Double Differential Cross Sections for n+ ²³⁸U Reaction[J]. Chinese Physics C, 2004, 28(2): 177-180.

HAN Yin-Lu. Theoretical Analysis of Double Differential Cross Sections for n+ ²³⁸U Reaction[J]. Chinese Physics C, 2004, 28(2): 177-180. shu

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Received: 2003-07-22
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Theoretical Analysis of Double Differential Cross Sections for n+ ²³⁸U Reaction

Corresponding author: HAN Yin-Lu,

China Institute of Atomic Energy,Beijing 102413,China

Received Date: 2003-07-22

Accepted Date: 1900-01-01

Available Online: 2004-02-05

Abstract: Based on the new measurements of total, nonelastic, elastic cross section and elastic scattering angular distributions for n+U reactions, a set of neutron optical model potential parameters is obtained in the region of incident neutron energy from 0.1 to 20 MeV. The cross sections, angular distributions, energy spectra and double differential cross sections are calculated and analyzed by optical model, nuclear fission theory, distorted wave Born approximation theory, coupled channel theory, the unified Hauser-Feshbach theory, as well as exciton model. The results indicate that our theoretical model can reasonably analysis n+ ²³⁸U reaction data with neutron energy lower than 20 MeV.

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Theoretical Analysis of Double Differential Cross Sections for n+ ²³⁸U Reaction

Theoretical Analysis of Double Differential Cross Sections for n+ ²³⁸U Reaction