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Breakup coupling Effects on Near-Barrier 6Li, 7Be and 8B + 58Ni Elastic Scattering Compared

Abstract : New data for near-barrier 6Li, 7Be and 8B + 58Ni elastic scattering enable a comparison of breakup coupling effects for these loosely-bound projectiles. Coupled Discretised Con- tinuum Channels (CDCC) calculations suggest that the large total reaction cross sections for 8B + 58Ni are dominated by breakup at near-barrier energies, unlike 6Li and 7Be where breakup makes a small contribution. In spite of this, the CDCC calculations show a small coupling influence due to breakup for 8B, in contrast to the situation for 6Li and 7Be. An examination of the S matrices gives a clue to this counter-intuitive behaviour.
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http://hal.in2p3.fr/in2p3-00438250
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Submitted on : Thursday, December 3, 2009 - 10:02:43 AM
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N. Keeley, R.S. Mackintosh, C. Beck. Breakup coupling Effects on Near-Barrier 6Li, 7Be and 8B + 58Ni Elastic Scattering Compared. 10th International Conference on Nucleus-Nucleus Collisions, Aug 2009, Beijing, China. ⟨in2p3-00438250⟩

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