Abstract
The total reaction cross sections of Mg isotopes on a 12 C target at 240 MeV/nucleon have been analyzed with a fully microscopic framework, i.e., the double folding model with the density calculated by antisymmetrized molecular dynamics. Our results well reproduce the latest experimental data except 37 Mg as a new candidate for a deformed halo nucleus.
Highlights
The Radioactive Ion Beam Factory (RIBF) at RIKEN has added a new page to the history of the study of unstable nuclei
This enhances the total reaction cross section σR, since σR strongly depends on the root mean square (RMS) radii of a projectile and a target, σR ≈ π(RP + RT)2, where RP (RT) is the RMS radius of a projectile
Our theoretical results well reproduce the experimental data on σR and the structure of 37Mg is briefly discussed as a new candidate of deformed halo nuclei
Summary
The Radioactive Ion Beam Factory (RIBF) at RIKEN has added a new page to the history of the study of unstable nuclei. When a nucleus is deformed, the deformation makes the root mean square (RMS) radius effectively large compared with a spherical nucleus. This enhances the total reaction cross section σR, since σR strongly depends on the RMS radii of a projectile and a target, σR ≈ π(RP + RT), where RP (RT) is the RMS radius of a projectile (target). In particular for 31Ne, the σI is much larger than any other Ne isotopes that was measured This remarkable behavior has stimulated many research activities [3,4,5,6]. Our theoretical results well reproduce the experimental data on σR and the structure of 37Mg is briefly discussed as a new candidate of deformed halo nuclei
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