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Yang, Q; Wang, HL; Liu, ML; Xu, FR
Characteristics of collectivity along the yrast line in even-even tungsten isotopes
Source PublicationPHYSICAL REVIEW C
Language英语
KeywordSPIN NONYRAST STATES SHAPE COEXISTENCE HEAVY-NUCLEI MEAN-FIELD DEFORMATION ENERGIES ROTATING NUCLEI ATOMIC-NUCLEI MASS FORMULA INERTIA MOMENTS
AbstractThe collective nature of high-spin yrast states in even-even W160-190 isotopes was systematically investigated by means of pairing self-consistent Woods-Saxon-Strutinsky calculations using the total Routhian surface approach in (beta(2),gamma,beta(4)) deformation space. The calculated ground-state deformations are consistent with previous calculations and available experimental data. The deformation energy curves are presented to show the shape and softness evolutions, in particular in the triaxial direction. The backbending or upbending behavior in moment of inertia is attributed to band crossing. It is found that the neutron rotation alignment is preferred for most of the W isotopes (e.g., in W164-180), while in other nuclei the competition between the neutron and proton alignments may occur, even the proton alignment is favored in the very neutron-deficient nucleus W-160. In addition, the evolution and transition between vibrational and rotational collective modes along the yrast line are investigated on the basis of the new centipedelike E-GOS (E-Gamma Over Spin) curves introduced by us, which to some extent explains the existing differences (e.g., in the moment of inertia) between theory and experiment.
2016
Volume94Issue:2Pages:24310
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1103/PhysRevC.94.024310
Indexed BySCI
Funding OrganizationOutstanding Young Talent Research Fund of Zhengzhou University [1521317002] ; National Natural Science Foundation of China [11205207, 11205208, 11505157] ; Foundation and Advanced Technology Research Program of Henan Province [132300410125]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23052
Collection理论物理所科研产出_SCI论文
Affiliation1.[Yang, Qiong
2.Zhengzhou Univ, Sch Phys & Engn, Zhengzhou 450001, Peoples R China
3.Zhengzhou Univ, Henan Key Lab Ion Beam Bioengn, Zhengzhou 450052, Peoples R China
4.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
5.Peking Univ, Sch Phys, Beijing 100871, Peoples R China
6.Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
7.Natl Lab Heavy Ion Collis, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Yang, Q,Wang, HL,Liu, ML,et al. Characteristics of collectivity along the yrast line in even-even tungsten isotopes[J]. PHYSICAL REVIEW C,2016,94(2):24310.
APA Yang, Q,Wang, HL,Liu, ML,&Xu, FR.(2016).Characteristics of collectivity along the yrast line in even-even tungsten isotopes.PHYSICAL REVIEW C,94(2),24310.
MLA Yang, Q,et al."Characteristics of collectivity along the yrast line in even-even tungsten isotopes".PHYSICAL REVIEW C 94.2(2016):24310.
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