Temperature Dependent Relativistic Microscopic Optical Potential and Mean Free Paths of Nucleons

HAN Yin-Lu; SHEN Qing-Biao; ZHUO Yi-Zhong

Chinese Physics C> 1993, Vol. 17> Issue(6) : 568-576

Temperature Dependent Relativistic Microscopic Optical Potential and Mean Free Paths of Nucleons

China Institute of Atomic Energy,Beijing 102413

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Abstract：
The microscopic optical potential,mean free paths and Schrodinger equivalent potential of nucleons at finite temperature in nuclear matter are studied based on Walecka's model and thermo field dynamics.We let only the Hartree-Fock self-energy of nucleon represent to be the real part of the microscopic optical potential and the fourth order of meson exchange diagrams,i.e. the core polarization represent the imaginary part of microscopic optical potential in nuclear matter.The microscopic optical potential of finite nuclei is obtained with the local density approximation.

References

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J. D. Walecka, Ann. Phys. 83 (1974)，491.[2]B. D. Serot, J. D. Walecka, Adv. Nucl. Phys.，16 (1986)，1.[3]Ma Zhongyu. Zhu Ping, Gu Yingqi and Zhuo Yizhong, Nucl. Phys.，A490 (1988)，619.[4]Shen Qingbiao, Feng Dachun and Zhuo Yizhong, Phys. Rev.，C43 (1991)，2773.[5]K. Soutome，T. Marutama and K. Saito, Nucl.Phys.，A507 (1990)，731.[6]L. Leplae, H. Umezawa and F. Mancini, Phys.Rep.，10 (1974)，151.[7]J. W. Neglele, Phys. Rev.，C1 (1970)，1260.[8]韩银录、昊锡真、卓益忠，高能物理与核物理，12 (1988)，257.

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HAN Yin-Lu, SHEN Qing-Biao and ZHUO Yi-Zhong. Temperature Dependent Relativistic Microscopic Optical Potential and Mean Free Paths of Nucleons[J]. Chinese Physics C, 1993, 17(6): 568-576.

HAN Yin-Lu, SHEN Qing-Biao and ZHUO Yi-Zhong. Temperature Dependent Relativistic Microscopic Optical Potential and Mean Free Paths of Nucleons[J]. Chinese Physics C, 1993, 17(6): 568-576. 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

Temperature Dependent Relativistic Microscopic Optical Potential and Mean Free Paths of Nucleons

Corresponding author: HAN Yin-Lu,

China Institute of Atomic Energy,Beijing 102413

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1993-06-05

Abstract: The microscopic optical potential,mean free paths and Schrodinger equivalent potential of nucleons at finite temperature in nuclear matter are studied based on Walecka's model and thermo field dynamics.We let only the Hartree-Fock self-energy of nucleon represent to be the real part of the microscopic optical potential and the fourth order of meson exchange diagrams,i.e. the core polarization represent the imaginary part of microscopic optical potential in nuclear matter.The microscopic optical potential of finite nuclei is obtained with the local density approximation.