Research on the halo in Ne31 with the complex momentum representation method

Research on the halo in Ne31 with the complex momentum representation method Halo is one of the most interesting phenomena in exotic nuclei especially for Ne31, which is deemed to be a halo nucleus formed by a p-wave resonance. However, the theoretical calculations do not suggest a p-wave resonance using the scattering phase shift approach or complex scaling method. Here, we apply the complex momentum representation method to explore resonances in Ne31. We have calculated the single-particle energies for bound and resonant states together with their evolutions with deformation. The results show that the p-wave resonances appear clearly in the complex momentum plane accompanied by a p-f inversion in the single-particle levels. Because the p-f inversion happens, calculated energy, width, and occupation probabilities of major components in the level occupied by the valance neutron support a p-wave halo for Ne31. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review C American Physical Society (APS)

Research on the halo in Ne31 with the complex momentum representation method

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Research on the halo in Ne31 with the complex momentum representation method

Abstract

Halo is one of the most interesting phenomena in exotic nuclei especially for Ne31, which is deemed to be a halo nucleus formed by a p-wave resonance. However, the theoretical calculations do not suggest a p-wave resonance using the scattering phase shift approach or complex scaling method. Here, we apply the complex momentum representation method to explore resonances in Ne31. We have calculated the single-particle energies for bound and resonant states together with their evolutions with deformation. The results show that the p-wave resonances appear clearly in the complex momentum plane accompanied by a p-f inversion in the single-particle levels. Because the p-f inversion happens, calculated energy, width, and occupation probabilities of major components in the level occupied by the valance neutron support a p-wave halo for Ne31.
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Publisher
American Physical Society (APS)
Copyright
Copyright © ©2017 American Physical Society
ISSN
0556-2813
eISSN
1089-490X
D.O.I.
10.1103/PhysRevC.95.064329
Publisher site
See Article on Publisher Site

Abstract

Halo is one of the most interesting phenomena in exotic nuclei especially for Ne31, which is deemed to be a halo nucleus formed by a p-wave resonance. However, the theoretical calculations do not suggest a p-wave resonance using the scattering phase shift approach or complex scaling method. Here, we apply the complex momentum representation method to explore resonances in Ne31. We have calculated the single-particle energies for bound and resonant states together with their evolutions with deformation. The results show that the p-wave resonances appear clearly in the complex momentum plane accompanied by a p-f inversion in the single-particle levels. Because the p-f inversion happens, calculated energy, width, and occupation probabilities of major components in the level occupied by the valance neutron support a p-wave halo for Ne31.

Journal

Physical Review CAmerican Physical Society (APS)

Published: Jun 30, 2017

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