Collapse of the N=28 shell closure in the newly discovered 39Na nucleus and the development of deformed halos towards the neutron dripline

doi:10.1103/PhysRevC.107.L041303

CORC > 理论物理研究所 > 中国科学院理论物理研究所 > 理论物理所科研产出 > 理论物理所1978-2010年知识产出

	Collapse of the N=28 shell closure in the newly discovered 39Na nucleus and the development of deformed halos towards the neutron dripline
	Zhang, K. Y.; Papakonstantinou, P.; Mun, M. -H.; Kim, Y.; Yan, H.; Sun, X. -X.
刊名	PHYSICAL REVIEW C
	2023
卷号	107 期号:4 页码:L041303
关键词	INTERACTION CROSS-SECTIONS HARTREE-BOGOLIUBOV THEORY MAGIC NUMBER FINITE-RANGE FIELD-THEORY DISTRIBUTIONS ISOTOPES PROTON LIMITS RADII
ISSN号	2469-9985
DOI	10.1103/PhysRevC.107.L041303
英文摘要	Halos and changes of nuclear magicities have been extensively investigated in exotic nuclei during past decades. The newly discovered Na-39 with the neutron number N = 28 provides a new platform to explore such novel phenomena near the neutron dripline of the sodium isotopic chain. We study the shell property and the possible halo structure in Na-39 within the deformed relativistic Hartree-Bogoliubov theory in continuum. It is found that the lowering of 2p orbitals in the spherical limit results in the collapse of the N = 28 shell closure in 39Na, and a well-deformed ground state is established. The pairing correlations and the mixing of pf components driven by deformation lead to the occupation of weakly bound or continuum p-wave neutron orbitals. An oblate halo is therefore formed around the prolate core in (39),Na-41, making Na-39 a single nucleus with the coexistence of several exotic structures, including the quenched N = 28 shell closure, Borromean structure, deformed halo, and shape decoupling. The microscopic mechanisms behind the shape decoupling phenomenon and the development of halos towards dripline are revealed.
学科主题	Physics
语种	英语
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/27939]
专题	理论物理研究所_理论物理所1978-2010年知识产出
作者单位	1.[Zhang, K. Y.] CAEP, Inst Nucl Phys & Chem, Mianyang 621900, Sichuan, Peoples R China 2.[Zhang, K. Y.] Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China 3.[Papakonstantinou, P.] Inst for Basic Sci Korea, Rare Isotope Sci Project, Daejeon 34000, South Korea 4.[Mun, M. -H.] Soongsil Univ, Dept Phys, Seoul 06978, South Korea 5.[Mun, M. -H.] Soongsil Univ, Origin Matter & Evolut Galaxy Inst, Seoul 06978, South Korea 6.[Kim, Y.] Inst for Basic Sci Korea, Ctr Exot Nucl Studies, Daejeon 34126, South Korea 7.[Yan, H.] CAEP, Inst Nucl Phys & Chem, Key Lab Neutron Phys, Mianyang 621900, Sichuan, Peoples R China 8.[Sun, X. -X.] Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China 9.[Sun, X. -X.] Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Zhang, K. Y.,Papakonstantinou, P.,Mun, M. -H.,et al. Collapse of the N=28 shell closure in the newly discovered 39Na nucleus and the development of deformed halos towards the neutron dripline[J]. PHYSICAL REVIEW C,2023,107(4):L041303.
APA	Zhang, K. Y.,Papakonstantinou, P.,Mun, M. -H.,Kim, Y.,Yan, H.,&Sun, X. -X..(2023).Collapse of the N=28 shell closure in the newly discovered 39Na nucleus and the development of deformed halos towards the neutron dripline.PHYSICAL REVIEW C,107(4),L041303.
MLA	Zhang, K. Y.,et al."Collapse of the N=28 shell closure in the newly discovered 39Na nucleus and the development of deformed halos towards the neutron dripline".PHYSICAL REVIEW C 107.4(2023):L041303.