Two-neutron halo structure of $^{31}$F

F.R. Xu; J.G. Li; N. Michel; W. Zuo

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Two-neutron halo structure of $^{31}$F

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arxiv 2003.07542 v1 pith:VD2Y2QQX submitted 2020-03-17 nucl-th

N. Michel , J.G. Li , F.R. Xu , W. Zuo This is my paper · ORCID

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keywords structurecontinuumcorrelationscouplingdensitieshaloisotopestwo-neutron

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abstract

We apply the Gamow shell model to study $^{25-31}$F isotopes. As both inter-nucleon correlations and continuum coupling are properly treated therein, the structure shape of $^{31}$F at large distance can be analyzed precisely. For this, one-nucleon densities, root-mean square radii and correlation densities are calculated in neutron-rich fluorine isotopes. It is then suggested that $^{31}$F exhibits a two-neutron halo structure, built from both continuum coupling and nucleon-nucleon correlations.

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