Theoretical analysis of double-differential neutron emission cross sections for n+<SUP>56</SUP>Fe reactions at incident energies of 7-13 MeV

HOU Pei-You<SUP></SUP>; SUN Xiao-Jun; YU Cheng-Gang; LU Xiao

doi:10.1088/1674-1137/35/1/008

Chinese Physics C> 2011, Vol. 35> Issue(1) : 35-39 DOI: 10.1088/1674-1137/35/1/008

Theoretical analysis of double-differential neutron emission cross sections for n+⁵⁶Fe reactions at incident energies of 7-13 MeV

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The double-differential neutron emission cross sections for n+⁵⁶Fe reactions at incident energies of 7-13 MeV at different angles are calculated by the UNF (abbreviation for unified, 2009 Version) code, which is based on the unified Hauser-Feshbach and exciton model. The results indicate that the higher the incident energies, the better the results, although there are some discrepancies between the calculated results and the measured data for natural iron. These discrepancies are analyzed in detail in this paper. In addition, the calculated results are also compared with the evaluated results of ENDFB Ⅶ.0 and JEFF-3.1.1 near the angle of 90° at incident energies of 8.17 and 11.5 MeV, respectively.

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HOU Pei-You, SUN Xiao-Jun, YU Cheng-Gang and LU Xiao. Theoretical analysis of double-differential neutron emission cross sections for n+⁵⁶Fe reactions at incident energies of 7-13 MeV[J]. Chinese Physics C, 2011, 35(1): 35-39. doi: 10.1088/1674-1137/35/1/008

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Received: 2010-04-06
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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 neutron emission cross sections for n+⁵⁶Fe reactions at incident energies of 7-13 MeV

Received Date: 2010-04-06

Accepted Date: 2010-03-22

Available Online: 2011-01-05

Abstract: The double-differential neutron emission cross sections for n+⁵⁶Fe reactions at incident energies of 7-13 MeV at different angles are calculated by the UNF (abbreviation for unified, 2009 Version) code, which is based on the unified Hauser-Feshbach and exciton model. The results indicate that the higher the incident energies, the better the results, although there are some discrepancies between the calculated results and the measured data for natural iron. These discrepancies are analyzed in detail in this paper. In addition, the calculated results are also compared with the evaluated results of ENDFB Ⅶ.0 and JEFF-3.1.1 near the angle of 90° at incident energies of 8.17 and 11.5 MeV, respectively.

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Theoretical analysis of double-differential neutron emission cross sections for n+⁵⁶Fe reactions at incident energies of 7-13 MeV

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Theoretical analysis of double-differential neutron emission cross sections for n+⁵⁶Fe reactions at incident energies of 7-13 MeV

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Theoretical analysis of double-differential neutron emission cross sections for n+56Fe reactions at incident energies of 7-13 MeV

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Theoretical analysis of double-differential neutron emission cross sections for n+56Fe reactions at incident energies of 7-13 MeV

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Theoretical analysis of double-differential neutron emission cross sections for n+⁵⁶Fe reactions at incident energies of 7-13 MeV

Theoretical analysis of double-differential neutron emission cross sections for n+⁵⁶Fe reactions at incident energies of 7-13 MeV