Resonances and continuum states of drip-line nuclei using the complex scaling method

Details Resonances and continuum states of drip-line nuclei using the complex scaling method Resonances and continuum states of drip-line nuclei using the complex scaling method

2010-08-08

arxiv.org/abs/1008.1390v1

J.Phys.Conf.Ser.312:092046,2011

Physics

Nuclear Physics

Nuclear Theory

6 pages, 6 figures, Contribution to the proceedings of INPC 2010, Vancouver

Scientific paper

10.1088/1742-6596/312/9/092046

Resonances and continuum states of He isotopes are investigated using the cluster orbital shell model (COSM) with the complex scaling method (CSM). We discuss the following subjects: 1) Spectroscopic factors of the unbound nucleus 7He into the 6He-n components and their relation to the one-neutron removal strengths of 7He. The importance of the 6He(2+) resonance is shown. 2) Structure of five-body 0+ resonance of 8He from the viewpoint of the two-neutron pair coupling. The monopole strengths into five-body unbound states are also investigated. It is found that the sequential breakup process of 8He \to 7He+n \to 6He+n+n is dominant in the monopole excitation, while the contribution of 8He(0+_2) is negligible.

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