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Three-body continuum energy correlations in Borromean halo nuclei. III. Short-range external fields

B.V. Danilin ; J.S. Vaagen ; T. Rogde ; S.N. Ershov ; I.J. Thompson ; Mikhail V. Zhukov (Institutionen för fundamental fysik, Subatomär fysik)
Physical Review C (0556-2813). Vol. 76 (2007), p. 064612.
[Artikel, refereegranskad vetenskaplig]

Energy correlations in transition from the bound state to the three-body continuum of Borromean halo nuclei are considered. A core+n+n three-body cluster model which reproduces the experimentally known properties of 6He and 11Li has been used to study the low-lying resonances and soft modes. An analysis of the correlated responses in 6He shows that in the case of the narrow 2+ resonance the transition energy correlations are the same as in the intrinsic correlated structure in 3->3 scattering. They differ significantly for wide second 2+ and first 1+ resonances, and also for the soft dipole and monopole modes, where due to the transition operators, the intertwinning of the ground state and the three-body continuum plays a significant role.

Nyckelord: Borromean halo nuclei, transition continuum energy correlations, resonances, soft modes

Denna post skapades 2008-01-08. Senast ändrad 2008-05-05.
CPL Pubid: 64911


Institutioner (Chalmers)

Institutionen för fundamental fysik, Subatomär fysik (2005-2013)



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