Cross-Shell Excitation in F and Ne Isotopes around <i>N</i> = 20

Within the framework of the configuration–interaction shell model, the present work applies three effective interactions to investigate the effects of the cross-shell excitation on F and Ne isotopes around <i>N</i> = 20, which are significantly proton–neutron asymmetric, and have differe...

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Autores principales:	Menglan Liu, Cenxi Yuan
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	cross-shell excitation F Ne nuclei <i>N</i> = 20 shell Mathematics QA1-939
Acceso en línea:	https://doaj.org/article/e795d94f234547a6a54bcfcc80d208bc
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id	oai:doaj.org-article:e795d94f234547a6a54bcfcc80d208bc
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spelling	oai:doaj.org-article:e795d94f234547a6a54bcfcc80d208bc2021-11-25T19:07:17ZCross-Shell Excitation in F and Ne Isotopes around <i>N</i> = 2010.3390/sym131121672073-8994https://doaj.org/article/e795d94f234547a6a54bcfcc80d208bc2021-11-01T00:00:00Zhttps://www.mdpi.com/2073-8994/13/11/2167https://doaj.org/toc/2073-8994Within the framework of the configuration–interaction shell model, the present work applies three effective interactions to investigate the effects of the cross-shell excitation on F and Ne isotopes around <i>N</i> = 20, which are significantly proton–neutron asymmetric, and have different properties compared with the proton–neutron symmetric nuclei. It is shown that cross-shell excitation is necessary in order to reproduce separation energies, neutron drip lines, and low-energy levels of these isotopes. Furthermore, the cross-shell excitation of (0–5)<i>ħω</i> is suggested to be important in the description of <sup>29</sup>F and <sup>30</sup>Ne. However, the three interactions are insufficient in describing the bound structure of <sup>29,31</sup>Ne, and provide inconsistent shell structures and evolutions in the target nuclei. Their cross-shell interactions are suggested to be improved.Menglan LiuCenxi YuanMDPI AGarticlecross-shell excitationFNe nuclei<i>N</i> = 20 shellMathematicsQA1-939ENSymmetry, Vol 13, Iss 2167, p 2167 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	cross-shell excitation F Ne nuclei <i>N</i> = 20 shell Mathematics QA1-939
spellingShingle	cross-shell excitation F Ne nuclei <i>N</i> = 20 shell Mathematics QA1-939 Menglan Liu Cenxi Yuan Cross-Shell Excitation in F and Ne Isotopes around <i>N</i> = 20
description	Within the framework of the configuration–interaction shell model, the present work applies three effective interactions to investigate the effects of the cross-shell excitation on F and Ne isotopes around <i>N</i> = 20, which are significantly proton–neutron asymmetric, and have different properties compared with the proton–neutron symmetric nuclei. It is shown that cross-shell excitation is necessary in order to reproduce separation energies, neutron drip lines, and low-energy levels of these isotopes. Furthermore, the cross-shell excitation of (0–5)<i>ħω</i> is suggested to be important in the description of <sup>29</sup>F and <sup>30</sup>Ne. However, the three interactions are insufficient in describing the bound structure of <sup>29,31</sup>Ne, and provide inconsistent shell structures and evolutions in the target nuclei. Their cross-shell interactions are suggested to be improved.
format	article
author	Menglan Liu Cenxi Yuan
author_facet	Menglan Liu Cenxi Yuan
author_sort	Menglan Liu
title	Cross-Shell Excitation in F and Ne Isotopes around <i>N</i> = 20
title_short	Cross-Shell Excitation in F and Ne Isotopes around <i>N</i> = 20
title_full	Cross-Shell Excitation in F and Ne Isotopes around <i>N</i> = 20
title_fullStr	Cross-Shell Excitation in F and Ne Isotopes around <i>N</i> = 20
title_full_unstemmed	Cross-Shell Excitation in F and Ne Isotopes around <i>N</i> = 20
title_sort	cross-shell excitation in f and ne isotopes around <i>n</i> = 20
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/e795d94f234547a6a54bcfcc80d208bc
work_keys_str_mv	AT menglanliu crossshellexcitationinfandneisotopesaroundini20 AT cenxiyuan crossshellexcitationinfandneisotopesaroundini20
_version_	1718410312640626688

Cross-Shell Excitation in F and Ne Isotopes around <i>N</i> = 20

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