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Ya, T; Chen, YS; Gao, ZC; Liu, L; Chen, YJ; Ya, T (reprint author), Shenyang Normal Univ, Sch Phys Sci & Technol, Shenyang 110034, Peoples R China.
Beyond-mean-field effects on nuclear triaxiality
发表期刊PHYSICAL REVIEW C
语种英语
摘要The beyond-mean-field effects on nuclear triaxiality are studied by applying the projected total energy surface (PTES) calculations to the light tungsten isotopes W170-178, which have been well described as prolate rotors within the mean-field approximation. The present PTES calculations have well reproduced the experimental energies of the yrast states and the available experimental transition quardrupole moment (Q(t)) in function of spin. In particular, the results present a considerable large triaxiality for their ground states, with an average triaxial deformation gamma similar to 15 degrees. For a comparison, the total Routhian surface calculations have also been performed for these nuclei, the results show a well-established axial quadrupole deformation in their ground states. The presence of the significant triaxial deformation can be attributed to the beyond-mean-field effect as the angular momentum projection. This effect is therefore essential for a variety of mean-field approaches since it is only associated with the necessary restoration of the rotational symmetry in the laboratory frame, which is spontaneously broken in the intrinsic frame.
2017
卷号95期号:6页码:64316
学科领域Physics
DOIhttp://dx.doi.org/10.1103/PhysRevC.95.064316
项目资助者National Nature Science Foundation of China [11301508, 11047171, 11175258, 11575290, 11205246] ; National Nature Science Foundation of China [11301508, 11047171, 11175258, 11575290, 11205246] ; National Nature Science Foundation of China [11301508, 11047171, 11175258, 11575290, 11205246] ; National Nature Science Foundation of China [11301508, 11047171, 11175258, 11575290, 11205246] ; Chinese Academy of Sciences [KJCX2-SW-N02] ; Chinese Academy of Sciences [KJCX2-SW-N02] ; Chinese Academy of Sciences [KJCX2-SW-N02] ; Chinese Academy of Sciences [KJCX2-SW-N02] ; Science and Technology Research of Education Ministry of China [209053] ; Science and Technology Research of Education Ministry of China [209053] ; Science and Technology Research of Education Ministry of China [209053] ; Science and Technology Research of Education Ministry of China [209053] ; National Key Research and Development [2016YFA0400502] ; National Key Research and Development [2016YFA0400502] ; National Key Research and Development [2016YFA0400502] ; National Key Research and Development [2016YFA0400502] ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Institute of Engineering Physics [U1430114] ; China Institute of Engineering Physics [U1430114] ; China Institute of Engineering Physics [U1430114] ; China Institute of Engineering Physics [U1430114]
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22032
专题理论物理所科研产出_SCI论文
通讯作者Ya, T (reprint author), Shenyang Normal Univ, Sch Phys Sci & Technol, Shenyang 110034, Peoples R China.
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GB/T 7714
Ya, T,Chen, YS,Gao, ZC,et al. Beyond-mean-field effects on nuclear triaxiality[J]. PHYSICAL REVIEW C,2017,95(6):64316.
APA Ya, T,Chen, YS,Gao, ZC,Liu, L,Chen, YJ,&Ya, T .(2017).Beyond-mean-field effects on nuclear triaxiality.PHYSICAL REVIEW C,95(6),64316.
MLA Ya, T,et al."Beyond-mean-field effects on nuclear triaxiality".PHYSICAL REVIEW C 95.6(2017):64316.
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