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Hu, JN; Li, A; Shen, H; Toki, H; Hu, JN (reprint author), Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China.
Quark mean-field model for single and double Lambda and Xi hypernuclei
发表期刊PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS
语种英语
关键词Hyperon-hyperon Interaction Double Hyperfragment Physics
摘要The study of hypernuclei in the quark mean-field model are extended from single-Lambda hypernuclei to double-Lambda hypernuclei as well as Xi hypernuclei (double strangeness nuclei), with a broken SU(3) symmetry for the quark confinement potential. The strength of the potential for u, d quarks is constrained by the properties of finite nuclei, while that for the s quark is fixed by the single Lambda-nucleus potential at the nuclear saturation density, which has a slightly different value. Compared to our previous work, we find that the introduction of such symmetry breaking improves efficiently the description of the single-Lambda energies for a wide range of mass regions, which demonstrates the importance of this effect on the study of hypernuclei. Predictions for double-Lambda hypernuclei and Xi hypernuclei are then made, and compared with some of the available experiential double-Lambda hypernuclei data and other model calculations. The consistency of our results with the available double-Lambda hypernucleus is found to be surprisingly good. Also, there is generally a bound state for Xi(0) hypernuclei with both light and heavy core nuclei in our model.
2014
ISSN2050-3911
期号1页码:013D02
学科领域Physics
DOI10.1093/ptep/ptt119
收录类别SCI
项目资助者CPSC [2012M520100]; Fundamental Research Funds for the Central Universities ; CPSC [2012M520100]; Fundamental Research Funds for the Central Universities ; CPSC [2012M520100]; Fundamental Research Funds for the Central Universities ; CPSC [2012M520100]; Fundamental Research Funds for the Central Universities
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15518
专题理论物理所科研产出_SCI论文
通讯作者Hu, JN (reprint author), Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China.
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Hu, JN,Li, A,Shen, H,et al. Quark mean-field model for single and double Lambda and Xi hypernuclei[J]. PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS,2014(1):013D02.
APA Hu, JN,Li, A,Shen, H,Toki, H,&Hu, JN .(2014).Quark mean-field model for single and double Lambda and Xi hypernuclei.PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS(1),013D02.
MLA Hu, JN,et al."Quark mean-field model for single and double Lambda and Xi hypernuclei".PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS .1(2014):013D02.
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