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Sun, XX; Zhao, J2; Zhou, SG
Shrunk halo and quenched shell gap at N=16 in C-22: Inversion of sd states and deformation effects
发表期刊PHYSICS LETTERS B
语种英语
关键词HARTREE-BOGOLIUBOV THEORY EVALUATION (I). EVALUATION MEAN-FIELD DESCRIPTION 2-NEUTRON HALO MAGIC NUMBERS NEUTRON HALO INPUT DATA NUCLEI DISTRIBUTIONS ISOTOPES
摘要We explore the interplays among the formation of a halo, deformation effects, the inversion of sd states, the shell evolution, and changes of nuclear magicities in C-22 by using a deformed relativistic Hartree-Bogoliubov model in continuum. It is revealed that there is an inversion between the two spherical orbitals 2s(1/2) and 1d(5/2) in C-22 compared with the conventional single particle shell structure in stable nuclei. This inversion, together with deformation effects, results in a shrunk halo and a quenched shell gap at N = 16. It is predicted that the core of C-22 is oblate but the halo is prolate. Therefore several exotic nuclear phenomena, including the halo, the shape decoupling effects, the inversion of sd states, and the evolution of shell structure which results in (dis) appearance of magic numbers, coexist in one single nucleus C-22. (c) 2018 The Author(s). Published by Elsevier B.V.
2018
ISSN0370-2693
卷号785页码:530-535
学科领域Astronomy & Astrophysics ; Physics
学科门类Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
DOI10.1016/j.physletb.2018.08.071
收录类别SCIE
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22798
专题理论物理所科研产出_SCI论文
作者单位1.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
3.China Acad Engn Phys, Microsyst & Terahertz Res Ctr, Chengdu 610200, Sichuan, Peoples R China
4.Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Gansu, Peoples R China
5.Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Changsha 410081, Hunan, Peoples R China
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Sun, XX,Zhao, J,Zhou, SG. Shrunk halo and quenched shell gap at N=16 in C-22: Inversion of sd states and deformation effects[J]. PHYSICS LETTERS B,2018,785:530-535.
APA Sun, XX,Zhao, J,&Zhou, SG.(2018).Shrunk halo and quenched shell gap at N=16 in C-22: Inversion of sd states and deformation effects.PHYSICS LETTERS B,785,530-535.
MLA Sun, XX,et al."Shrunk halo and quenched shell gap at N=16 in C-22: Inversion of sd states and deformation effects".PHYSICS LETTERS B 785(2018):530-535.
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