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Coupled-channel effects in elastic scattering and near-barrier fusion induced by weakly bound nuclei and exotic halo nuclei

Abstract : The influence on fusion of coupling to the breakup process is investigated for reactions where at least one of the colliding nuclei has a sufficiently low binding energy for breakup to become an important process. Elastic scattering, excitation functions for sub- and near-barrier fusion cross sections, and breakup yields are analyzed for 6,7Li+59Co. Continuum-discretized coupled-channels (CDCC) calculations describe well the data at and above the barrier. Elastic scattering with 6Li (as compared to 7Li) indicates the significant role of breakup for weakly bound projectiles. A study of 4,6He induced fusion reactions with a three-body CDCC method for the 6He halo nucleus is presented. The relative importance of breakup and bound-state structure effects on total fusion is discussed
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http://hal.in2p3.fr/in2p3-00145228
Contributor : Yvette Heyd <>
Submitted on : Wednesday, May 9, 2007 - 11:25:57 AM
Last modification on : Tuesday, May 4, 2021 - 11:26:08 AM

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C. Beck, N. Keeley, A. Diaz-Torres. Coupled-channel effects in elastic scattering and near-barrier fusion induced by weakly bound nuclei and exotic halo nuclei. Physical Review C, American Physical Society, 2007, 75, pp.054605. ⟨10.1103/PhysRevC.75.054605⟩. ⟨in2p3-00145228⟩

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