Nuclear Symmetry Energy for A=48 Isobars in Relativistic Mean Field Theory

BAN Shu-Fang; MENG Jie

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2004, Vol. 28> Issue(S1) : 66-68

Nuclear Symmetry Energy for A=48 Isobars in Relativistic Mean Field Theory

BAN Shu-Fang ,
MENG Jie ^,

School of Physics, Peking University, Beijing 100871, China2 Royal Institute of Technology, AlbaNova University Center, 10691 Stockholm, Sweden3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China4 Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China

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Abstract：
Recently it was found that the nuclear symmetry energy can be directly associated with the mean level density and an iso-vector potential. In this paper, the nuclear symmetry energy is studied within the relativistic mean field (RMF) theory. The potential of the RMF theory can be separated into an isovector and isoscalar components. The nuclear binding energies in A=48 isobaric chain calculated from RMF theory with or without the isovector terms for effective interactions PK1, NLSH, NL3, and TM1 have been used to analyze the nuclear symmetry energy in detail, i.e., mean level spacing ε and the effective isovector potential strength κ.

References

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. Bohr A, Mottelson B R. Nucl. Structure, Vol. I, Benjamin, New York, 19692.Satula W, Wyss R A. Phys. Rev. Lett., 2001, 86: 4488;Phys. Rev. Lett., 2001, 87: 0525043.Satula W , Wyss R A. Phys. Lett., 2003, B572: 152-1584.MENG J, Ring P. Phys. Rev. Lett., 1996, 77: 3963;MENG J, Ring P. Phys. Rev. Lett., 1998, 80: 4605.LONG W H, MENG J, Giai N V et al. Phys. Rev., 2004,C69: 0343196.BAN S F, LI J, ZHANG S Q et al. Phys. Rev., 2004, C69:0458057.LI J, BAN S F, JIA H Y et al. HEP NP, 2004, 28(2):140(in Chinese)(李俊, 班淑芳, 贾焕玉等. 高能物理与核物理, 2004, 28(2):140)8.Joachim Janecke. Nucl. Phys., 1965, 73: 97-112

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BAN Shu-Fang and MENG Jie. Nuclear Symmetry Energy for A=48 Isobars in Relativistic Mean Field Theory[J]. Chinese Physics C, 2004, 28(S1): 66-68.

BAN Shu-Fang and MENG Jie. Nuclear Symmetry Energy for A=48 Isobars in Relativistic Mean Field Theory[J]. Chinese Physics C, 2004, 28(S1): 66-68. shu

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Received: 2004-12-30
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

Nuclear Symmetry Energy for A=48 Isobars in Relativistic Mean Field Theory

BAN Shu-Fang
MENG Jie ^,

Corresponding author: MENG Jie,

School of Physics, Peking University, Beijing 100871, China2 Royal Institute of Technology, AlbaNova University Center, 10691 Stockholm, Sweden3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China4 Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China

Received Date: 2004-12-30
Accepted Date: 1900-01-01
Available Online: 2004-04-02

Abstract: Recently it was found that the nuclear symmetry energy can be directly associated with the mean level density and an iso-vector potential. In this paper, the nuclear symmetry energy is studied within the relativistic mean field (RMF) theory. The potential of the RMF theory can be separated into an isovector and isoscalar components. The nuclear binding energies in A=48 isobaric chain calculated from RMF theory with or without the isovector terms for effective interactions PK1, NLSH, NL3, and TM1 have been used to analyze the nuclear symmetry energy in detail, i.e., mean level spacing ε and the effective isovector potential strength κ.