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Transition to Delta matter from hot, dense nuclear matter within a relativistic mean field formulation of the nonlinear sigma and omega model
Li, ZX; Mao, GJ; Zhuo, YZ; Greiner, W; Li, ZX , CHINA INST ATOM ENERGY,POB 27518,BEIJING 102413,PEOPLES R CHINA.
1997
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号56期号:3页码:1570-1575
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.
部门归属ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; UNIV FRANKFURT,INST THEORET PHYS,D-60054 FRANKFURT,GERMANY
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12437
专题理论物理所1978-2010年知识产出
通讯作者Li, ZX , CHINA INST ATOM ENERGY,POB 27518,BEIJING 102413,PEOPLES R CHINA.
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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.
APA Li, ZX,Mao, GJ,Zhuo, YZ,Greiner, W,&Li, ZX , CHINA INST ATOM ENERGY,POB 27518,BEIJING 102413,PEOPLES R CHINA..(1997).Transition to Delta matter from hot, dense nuclear matter within a relativistic mean field formulation of the nonlinear sigma and omega model.PHYSICAL REVIEW C,56(3),1570-1575.
MLA Li, ZX,et al."Transition to Delta matter from hot, dense nuclear matter within a relativistic mean field formulation of the nonlinear sigma and omega model".PHYSICAL REVIEW C 56.3(1997):1570-1575.
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