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Theta(+) hypernuclei in relativistic mean-field model
Zhong, XH; Tan, YH; Peng GX(彭光雄); Peng, GX; Li, L; Ning, PZ
2005
发表期刊PHYSICAL REVIEW C
卷号71期号:1页码:15206
通讯作者Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China ; Univ Calif Irvine, Dept Mol Biol & Biochem, Irvine, CA 92697 USA ; Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要The properties of possible Theta(+) bound states in nuclei are described in relativistic mean-field formalism (RMF), in which the Theta(+)-meson coupling constants are deduced from the underlying quark structure of Theta(+) baryon. Our RMF results show that there is an attractive Theta(+)-nucleus interaction and the Theta(+) particle can be bound in nuclei to form Theta(+) hypernuclei, which are predicted to be bound much more strongly than lambda hypernuclei. The potential depth of Theta(+) in nuclear matter is estimated. The general range found for the depth is from 50 to 90 MeV at normal nuclear matter density, depending on the values we used for the coupling constants. Our RMF results are compatible with an evaluation of Theta(+) self-energy in the nucleus.
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1103/PhysRevC.71.015206
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear
WOS记录号WOS:000226701900048
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被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240465
专题理论物理室
作者单位中国科学院高能物理研究所
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Zhong, XH,Tan, YH,Peng GX,et al. Theta(+) hypernuclei in relativistic mean-field model[J]. PHYSICAL REVIEW C,2005,71(1):15206.
APA Zhong, XH,Tan, YH,彭光雄,Peng, GX,Li, L,&Ning, PZ.(2005).Theta(+) hypernuclei in relativistic mean-field model.PHYSICAL REVIEW C,71(1),15206.
MLA Zhong, XH,et al."Theta(+) hypernuclei in relativistic mean-field model".PHYSICAL REVIEW C 71.1(2005):15206.
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