Importance of resonance widths in low-energy scattering of weakly bound light-mass nuclei
|dc.identifier.citation||Fraser, P. and Massen-Hane, K. and Amos, K. and Bray, I. and Kadyrov, A. 2016. Importance of resonance widths in low-energy scattering of weakly bound light-mass nuclei. Physical Review C: Nuclear Physics. 93 (3): Article ID 034603.|
What effect do particle-emitting resonances have on the scattering cross section? What physical considerations are necessary when modeling these resonances? These questions are important when theoretically describing scattering experiments with radioactive ion beams which investigate the frontiers of the table of nuclides, far from stability. Herein, a novel method is developed that describes resonant nuclear scattering from which centroids and widths in the compound nucleus are obtained when one of the interacting bodies has particle unstable resonances. The method gives cross sections without unphysical behavior that is found if simple Lorentzian forms are used to describe resonant target states. The resultant cross sections differ significantly from those obtained when the states in the coupled channel calculations are taken to have zero width, and compound-system resonances are better matched to observed values.
|dc.title||Importance of resonance widths in low-energy scattering of weakly bound light-mass nuclei|
|dcterms.source.title||Physical Review C: Nuclear Physics|
|curtin.department||Department of Physics and Astronomy|
|curtin.accessStatus||Fulltext not available|
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