Enlarged deformation region in neutron-rich Zr isotopes promoted by the second intruder orbit

被引：1

作者：

Horiuchi, W. ^{[1
,2
,3
,4
]}

Inakura, T. ^{[5
]}

Michimasa, S. ^{[6
]}

Tanaka, M. ^{[3
]}

机构：

[1] Osaka Metropolitan Univ, Dept Phys, Osaka 5588585, Japan

[2] Osaka Metropolitan Univ, Nambu Yoichiro Inst Theoret & Expt Phys NITEP, Osaka 5588585, Japan

[3] RIKEN Nishina Ctr, Wako 3510198, Japan

[4] Hokkaido Univ, Dept Phys, Sapporo 0600810, Japan

[5] Tokyo Inst Technol, Inst Innovat Res, Lab Zero Carbon Energy, Tokyo 1528550, Japan

[6] Univ Tokyo, Ctr Nucl Study, 2-1 Hirosawa, Wako, Saitama 3510198, Japan

来源：

PHYSICAL REVIEW C | 2023年 / 107卷 / 04期

关键词：

INTERACTION CROSS-SECTIONS; INELASTIC-SCATTERING; DENSITY DISTRIBUTION; NUCLEAR RADII; CHARGE RADII; STATE; HALO; EVOLUTION;

D O I：

10.1103/PhysRevC.107.L041304

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Nuclear deformations and density profiles of neutron-rich even-even Zr isotopes are investigated by using the Skyrme-Hartree-Fock-Bogoliubov method. Large quadrupole and hexadecapole deformations are predicted along with large enhancement of the total reaction cross sections at the neutron number N = 60-74. Strong nuclear deformation starting at N = 60 is induced by the occupation of the intruder orbit with the asymptotic quantum number [nnzA]S2 = [550]1/2 originating from the spherical 0h11/2 orbit. The deformation region is further enlarged from N = 72 to 74 owing to the occupation of the next intruder orbit with [530]1/2 originating from the spherical 1 f7/2 orbit. This characteristic nuclear deformation is crucially reflected in a systematic behavior of the nuclear radii and the density profiles near the nuclear surface.

引用

页数：7

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