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

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

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摘要 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, y） 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 nalyze the experimental data. 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, y） 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 nalyze the experimental data.

作者张小平黎光武任中洲郑强朱相雷程建平

机构地区 Department of Engineering Physics Department of Physics China Institute of Atomic Energy School of Mathematics and Computer Science

出处《Chinese Physics C》 SCIE CAS CSCD 2012年第3期210-215,共6页 中国物理C（英文版）

基金 Supported by National Natural Science Foundation of China (10475068, 10535010, 10775068, 10865004, 10905029, 11065005,11105079) 973 National Major State Basic Research and Development of China (2007CB815004, 2010CB327803) China Postdoctoral Science Foundation (20100480017)

关键词 neutron radiative capture cross section statistical model SYSTEMATICS neutron radiative capture cross section, statistical model, systematics

分类号 O571.413 [理学—粒子物理与原子核物理]

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Chinese Physics C

2012年第3期

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

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