High-precision studies of the soft dipole mode in two-neutron halo nuclei: The He 6 case
Artikel i vetenskaplig tidskrift, 2020

The soft dipole E1 strength function is calculated for the transition from the He60+ ground state to the 1- continuum He4+n+n. The calculations were performed within the hyperspherical harmonics formalism. The sensitivity of the results to the He6 ground-state structure and to final-state interactions, are analyzed. The large-basis calculations show the reliably converged results for soft dipole strength function and for momentum correlations of the He6→He4+n+n dissociation products. Transition mechanisms are analyzed based on the momentum correlations. The comparison with experimental data is provided.


L Grigorenko

Joint Institute for Nuclear Research (JINR)

National Research Nuclear University

National Research Centre "Kurchatov Institute"

N. B. Shulgina

Joint Institute for Nuclear Research (JINR)

National Research Centre "Kurchatov Institute"

Mikhail Zhukov

Chalmers, Fysik

Physical Review C

24699985 (ISSN) 24699993 (eISSN)

Vol. 102 1 014611


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