THE EFFECTIVE SEPARABLE POTENTIALS BETWEEN n AND α INTERACTIONS

QIU Zhi-Hong; CHEN Chi-Qing; WANG Yan-Sen; CHEN Jian-Xin; HUANG Fa-Yang

Chinese Physics C> 1993, Vol. 17> Issue(9) : 845-850

THE EFFECTIVE SEPARABLE POTENTIALS BETWEEN n AND α INTERACTIONS

Fudan University,Shanghai 200433

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Abstract：
In this paper some effective non-local separable potentials for the interactions between neutron and α are suggested and examined in n-α scattering problem.With those potentials the analytic expressions of the S_1/2,P_1/2,P_3/2 wave phase shifts are obtained.It makes easy to calculate the differential cross sections and polarizations of the scattered neutrons in arbitrary incident energy.Our results are in good agreement with the experiments at neutron energies below 20MeV.

References

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[Quantum collision theoryJ,P. 146,Charlea. J. joschain 1975, North-Holland Publishing Company. Amsterdan.[2]Y.Yamaguchi, Phys. Rev.,95(1954),1628.[3]裘志洪，陈炽庆，王炎森，陈建靳，高能物理与核物理，11(1988).386.[4]二机部核数据中心绮，《评价中子数据汇编》下册;45页，原子能出版社.[5]G. R. Satchler,L. W.Owen,Nucl. Phys. ,A112(1968),1.[6]席可霖等，最优化计算方法，上海科技出版社，1983,63.[7]T. Stammbech,R. L. Walter,Nucl. Phys. ,Al186(1972),225.

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QIU Zhi-Hong, CHEN Chi-Qing, WANG Yan-Sen, CHEN Jian-Xin and HUANG Fa-Yang. THE EFFECTIVE SEPARABLE POTENTIALS BETWEEN n AND α INTERACTIONS[J]. Chinese Physics C, 1993, 17(9): 845-850.

QIU Zhi-Hong, CHEN Chi-Qing, WANG Yan-Sen, CHEN Jian-Xin and HUANG Fa-Yang. THE EFFECTIVE SEPARABLE POTENTIALS BETWEEN n AND α INTERACTIONS[J]. Chinese Physics C, 1993, 17(9): 845-850. shu

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Received: 1900-01-01
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

THE EFFECTIVE SEPARABLE POTENTIALS BETWEEN n AND α INTERACTIONS

Corresponding author: QIU Zhi-Hong,

Fudan University,Shanghai 200433

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1993-09-05

Abstract: In this paper some effective non-local separable potentials for the interactions between neutron and α are suggested and examined in n-α scattering problem.With those potentials the analytic expressions of the S_1/2,P_1/2,P_3/2 wave phase shifts are obtained.It makes easy to calculate the differential cross sections and polarizations of the scattered neutrons in arbitrary incident energy.Our results are in good agreement with the experiments at neutron energies below 20MeV.