The Effect of the Neutron Skin and the Neutron Distribution Diffusion on Nuclear Potential

ZHAO You-Xong; FENG Jun; GUO Zhong-Yan; SHEN Wen-Qing; ZHAN Wen-Long; ZHU Youg-Tai

Chinese Physics C> 1991, Vol. 15> Issue(11) : 1025-1032

The Effect of the Neutron Skin and the Neutron Distribution Diffusion on Nuclear Potential

Institute of Modern Physics,Academia Sinica,Lanzhou 730000

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Abstract：
The interaction potentials between two heavy ions are calculated by using the energy density formalism and the nuclear Fermi density distributions,the factor of the neutron skin and the surface diffusion of the neutron distribution increasing with the increases of the neutron excess is considered.In this calculation,the experimental fusion barriers are well reproduced,and improved for the intermediate heavier nuclear systems.It is found that the neutron skin and the neutron distribution diffusion can explain the influence of the neutron excess degree of freedom on the proximity scaling.

References

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I.Tanihata et al. Phys.Lett., 160B(1985), 380.[2] I.Tanihata et al., Nucl.Phys.,A488(1988),113C.[3] W. Mitting et al., Phys.Rev.Lett., 59(1988),1889.[4] Shen Wen Qing et al. Nucl.Phys., A491(1989),130一156.[5] H.Ngo, Ch. Ngo, Nucl.Phys, A348(1980),140一156.[6] LC.Vaz and J.M.Alexander, Phys. Report, 69(1981),373.[7] Willan D.Myers and W.J.Swiatecki, Annalr of Physics, 55(1969)396-505.[8] D. Berdichevsky, Z.Phys. A322(1985),141.[9] W.D.Myers et al., Nucl.Phys,A336(1980),267.[10] J.Blocki, et al., Annal of Physics, 105 (1977),427.[11] W. D. Myers and H.Von Groote, Phys. Lett., 15(1976),125.

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ZHAO You-Xong, FENG Jun, GUO Zhong-Yan, SHEN Wen-Qing, ZHAN Wen-Long and ZHU Youg-Tai. The Effect of the Neutron Skin and the Neutron Distribution Diffusion on Nuclear Potential[J]. Chinese Physics C, 1991, 15(11): 1025-1032.

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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 Effect of the Neutron Skin and the Neutron Distribution Diffusion on Nuclear Potential

Corresponding author: ZHAO You-Xong,

Institute of Modern Physics,Academia Sinica,Lanzhou 730000

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1991-11-05

Abstract: The interaction potentials between two heavy ions are calculated by using the energy density formalism and the nuclear Fermi density distributions,the factor of the neutron skin and the surface diffusion of the neutron distribution increasing with the increases of the neutron excess is considered.In this calculation,the experimental fusion barriers are well reproduced,and improved for the intermediate heavier nuclear systems.It is found that the neutron skin and the neutron distribution diffusion can explain the influence of the neutron excess degree of freedom on the proximity scaling.