The Soft Dipole Resonance Extremely Neutron Rich Nucleus <SUP>11</SUP>Li

CAI Yan-Huang

Chinese Physics C> 1993, Vol. 17> Issue(9) : 839-844

The Soft Dipole Resonance Extremely Neutron Rich Nucleus ¹¹Li

CAI Yan-Huang ^,

Institute of Nuclear Research,Academia Sinica,Shanghai 201800

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Abstract：
Giant dipole resonances (GDR) in nucleus ¹¹Li have been studied within a microscopic Vlasov approach.A quite fair agreement with the experimental value is found.The results for both normal and soft modes are very sensitive to the spin-orbit coupling in mean field,while the soft mode is quite dependent on the extension of neutron halo in ¹¹Li.The effects of separation energy of one neutron are also discussed.

References

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T. Kobavshi et al.，Phys. Lett.，B232(1989),51.[2]T. Kobayshi et al.，Phys. Rew. Lett.，60(1988),2599;I. Tanihata et al.，Phys. Lett. ,B160 (1985),380;B206(1988),592;Phys.Rev.Lett.,55(1985),2676.[3]M. S. Hussein et al.，Phys. Reports, 201(1991),280.[4]M. Di Toro, Cai Yanhuang,Phys. Rev. C42(1990),2748.[5]N. Inabe et al.，Cotribution Paper of "Fourth Inter. Conf. on Nucleus-nucleus Collisions",Kanazawa, JaPan,June(1991),p.280.[6]Cai Yanhuang, M. Di Toro. Phys. Rev.，C39(1989),105.[7]P. Ring, et al. ,"The Nuclear Many-body Problem",chapter 8.[8]A. Bohr, B. R. Mottelaon,"Nuclear Structure"(W. A. Benjamice,1975)Vol. 1 p. 209.[9]Contribution papers of "Fourth Inter. Conf. on Nucleus-nucleus Collisions",Kanarawa, Japan ,June, (1991),Part D.[10]G. Bertsch, J. Foxwell,Phys. Rev. ,C41(1990),1300.[11]Y. Tosuka, Y.Suzuki, Nucl. Phys. ,A312(1990),46.

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CAI Yan-Huang. The Soft Dipole Resonance Extremely Neutron Rich Nucleus ¹¹Li[J]. Chinese Physics C, 1993, 17(9): 839-844.

CAI Yan-Huang. The Soft Dipole Resonance Extremely Neutron Rich Nucleus ¹¹Li[J]. Chinese Physics C, 1993, 17(9): 839-844. 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 Soft Dipole Resonance Extremely Neutron Rich Nucleus ¹¹Li

CAI Yan-Huang ^,

Corresponding author: CAI Yan-Huang,

Institute of Nuclear Research,Academia Sinica,Shanghai 201800

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

Abstract: Giant dipole resonances (GDR) in nucleus ¹¹Li have been studied within a microscopic Vlasov approach.A quite fair agreement with the experimental value is found.The results for both normal and soft modes are very sensitive to the spin-orbit coupling in mean field,while the soft mode is quite dependent on the extension of neutron halo in ¹¹Li.The effects of separation energy of one neutron are also discussed.