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题名: Relativistic mean-field approximation with density-dependent screening meson masses in nuclear matter
作者: Sun, BX ;  Lu, XF ;  Shen, PN ;  Zhao, EG
刊名: INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
出版日期: 2003
卷号: 12, 期号:4, 页码:543-554
关键词: FINITE NUCLEI
学科分类: Physics
通讯作者: Sun, BX , Lab Phys Subatom & Cosmol, 3 Ave Martyrs, F-38026 Grenoble, France.
部门归属: Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China; Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China; Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China; China Ctr Adv Sci & Technol, World Lab, Beijing 100080, Peoples R China
英文摘要: The Debye screening masses of the sigma, omega and neutral rho mesons and the photon are calculated in the relativistic mean-field approximation. As the density of the nucleon increases, all the screening masses of mesons increase. A different result with Brown-Rho scaling is shown, which implies a reduction in the mass of all the mesons in the nuclear matter, except the pion. Replacing the masses of the mesons with their corresponding screening masses in the Walecka-1 model, five saturation properties of the nuclear matter are fixed reasonably, and then a density-dependent relativistic mean-field model is proposed without introducing the nonlinear self-coupling terms of mesons.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000185956400007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13252
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Sun, BX,Lu, XF,Shen, PN,et al. Relativistic mean-field approximation with density-dependent screening meson masses in nuclear matter[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,2003,12(4):543-554.
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