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题名: Transition to Delta matter from hot, dense nuclear matter within a relativistic mean field formulation of the nonlinear sigma and omega model
作者: Li, ZX ;  Mao, GJ ;  Zhuo, YZ ;  Greiner, W
刊名: PHYSICAL REVIEW C
出版日期: 1997
卷号: 56, 期号:3, 页码:1570-1575
学科分类: Physics
通讯作者: Li, ZX , CHINA INST ATOM ENERGY,POB 27518,BEIJING 102413,PEOPLES R CHINA.
部门归属: ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; UNIV FRANKFURT,INST THEORET PHYS,D-60054 FRANKFURT,GERMANY
英文摘要: An investigation of the transition to Delta matter is performed based on a relativistic mean field formulation of the nonlinear sigma and omega model. We demonstrate that in addition to the Delta-meson coupling, the occurrence of the baryon resonance isomer also depends on the nucleon-meson coupling. Our results show that for the favored phenomenological value of m* and K, the Delta isomer exists at baryon density similar to 2-3 rho(0) if beta=1.31 is adopted. For universal coupling of the nucleon and Delta, the Delta density at baryon density similar to 2-3 rho(0) and temperature similar to 0.4-0.5 fm(-1) is about normal nuclear matter density, which is in accord with a recent experimental finding.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12437
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:
Li, ZX,Mao, GJ,Zhuo, YZ,et al. Transition to Delta matter from hot, dense nuclear matter within a relativistic mean field formulation of the nonlinear sigma and omega model[J]. PHYSICAL REVIEW C,1997,56(3):1570-1575.
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