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题名: Density isomers or Delta-matter?
作者: Mao, GJ ;  Li, ZX ;  Zhuo, YZ
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 1996
卷号: 26, 期号:2, 页码:223-228
关键词: INELASTIC CROSS-SECTION ;  NUCLEAR-MATTER ;  FIELD-THEORY ;  MEAN-FIELD ;  RESONANCE ;  COLLISIONS
学科分类: Physics
通讯作者: Mao, GJ , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
部门归属: ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; INST ATOM ENERGY,BEIJING 102413,PEOPLES R CHINA
英文摘要: We demonstrate that the appearance of the density isomers depends on the meson-nucleon coupling strengths in addition to the meson-delta coupling strengths within the mean field theory. Furthermore, the in-medium NN --> N Delta cross section is studied with different values of the coupling strengths for deltas. We have found that the in-medium NN --> N Delta cross section substantially increases with the increasing of scalar meson-delta coupling strength even for the case when the density isomers do not appear within the mean field theory, which shows the possibility of creating Delta-matter in energetic heavy-ion collisions.
收录类别: SCI
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12586
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:
Mao, GJ,Li, ZX,Zhuo, YZ. Density isomers or Delta-matter?[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1996,26(2):223-228.
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