Giant Halo in <sup>66</sup>Ca Within Relativistic Continuum Hartree–Bogoliubov Theory Combined with Lipkin–Nogami Method

Giant Halo in <sup>66</sup>Ca Within Relativistic Continuum Hartree–Bogoliubov Theory Combined with Lipkin–Nogami Method

The impact of the Lipkin–Nogami (LN) method on a giant halo is investigated within the relativistic continuum Hartree–Bogoliubov (RCHB) theory. The ground-state properties of Ca isotopes obtained from RCHB and RCHB+LN calculations are presented. The results show that the LN correction does not chang...

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Bibliographic Details
Main Authors: Chang Zhou, Peng Guo, Xiaofei Jiang
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Particles
Subjects:
relativistic continuum Hartree–Bogoliubov theory
Lipkin–Nogami method
Dirac Woods–Saxon basis
giant halo
Online Access:https://www.mdpi.com/2571-712X/7/4/69
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Summary:The impact of the Lipkin–Nogami (LN) method on a giant halo is investigated within the relativistic continuum Hartree–Bogoliubov (RCHB) theory. The ground-state properties of Ca isotopes obtained from RCHB and RCHB+LN calculations are presented. The results show that the LN correction does not change the range of Ca isotopes with a giant halo. Taking <sup>66</sup>Ca as an example, the neutron density distribution with LN correction is found to be slightly more diffused, which can be illustrated by the enlargement of the root mean square radius and the enhancement of the relative contribution in neutron <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>3</mn><msub><mi>s</mi><mrow><mn>1</mn><mo>/</mo><mn>2</mn></mrow></msub></mrow></semantics></math></inline-formula> level.
ISSN:2571-712X

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