Systematical law of (n, γ) reaction cross sections of even-even nuclei

ZHANG Xiao-Ping; LI Guang-Wu; REN Zhong-Zhou; ZHENG Qiang; ZHU Xiang-Lei; CHENG Jian-Ping

doi:10.1088/1674-1137/36/3/004

Chinese Physics C> 2012, Vol. 36> Issue(3) : 210-215 DOI: 10.1088/1674-1137/36/3/004

Systematical law of (n, γ) reaction cross sections of even-even nuclei

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We have derived a formula for the neutron radiative capture cross section in the framework of a statistical model approach to nuclear reactions. Based on this formula, new systematics are established between the (n, γ) reaction cross section and the energy level density of a compound nucleus or a relative neutron excess of an even-even target nucleus for neutron incident energy above the resonance region to MeV. Good agreement with experimental data suggests that this new systematical law is helpful to analyze the experimental data.

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ZHANG Xiao-Ping, LI Guang-Wu, REN Zhong-Zhou, ZHENG Qiang, ZHU Xiang-Lei and CHENG Jian-Ping. Systematical law of (n, γ) reaction cross sections of even-even nuclei[J]. Chinese Physics C, 2012, 36(3): 210-215. doi: 10.1088/1674-1137/36/3/004

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Received: 2011-07-08
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Systematical law of (n, γ) reaction cross sections of even-even nuclei

Corresponding author: ZHANG Xiao-Ping,

Corresponding author: REN Zhong-Zhou,

Received Date: 2011-07-08
Accepted Date: 1900-01-01
Available Online: 2012-03-01

Abstract: We have derived a formula for the neutron radiative capture cross section in the framework of a statistical model approach to nuclear reactions. Based on this formula, new systematics are established between the (n, γ) reaction cross section and the energy level density of a compound nucleus or a relative neutron excess of an even-even target nucleus for neutron incident energy above the resonance region to MeV. Good agreement with experimental data suggests that this new systematical law is helpful to analyze the experimental data.