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题名: How and when will a neutron star become a hyperon star?
作者: Jia, HY ;  Sung, BX ;  Meng, J ;  Zhao, EG
刊名: CHINESE PHYSICS LETTERS
出版日期: 2001
卷号: 18, 期号:12, 页码:1571-1574
关键词: MEAN-FIELD THEORY ;  HYPERNUCLEI ;  LAMBDA ;  MATTER
学科分类: Physics
通讯作者: Jia, HY , Peking Univ, Dept Tech Phys, Beijing 100871, Peoples R China.
部门归属: Peking Univ, Dept Tech Phys, Beijing 100871, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
英文摘要: In the framework of the extended relativistic mean-field theory with hyperons, the properties of neutron star matter have been investigated. It is, found that at a density of four to five times that of nuclear matter saturation density po, a neutron star will become a hyperon star. This transition is strongly influenced by the coupling constants of hyperons to mesons and a different parameter set. For a given parameter set, a minimum transition baryon density exists when the hyperon coupling ratios satisfy x(H sigma) = x(H omega) = x(H rho) = 0.65 or x(H sigma) = x(H omega) = 0.62,x(H rho) = 0.7.
收录类别: SCI
WOS记录号: WOS:000172741300009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13629
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:
Jia, HY,Sung, BX,Meng, J,et al. How and when will a neutron star become a hyperon star?[J]. CHINESE PHYSICS LETTERS,2001,18(12):1571-1574.
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