Reaction dynamics for fusion of weakly-bound nuclei

Details Reaction dynamics for fusion of weakly-bound nuclei Reaction dynamics for fusion of weakly-bound nuclei

2004-01-09

arxiv.org/abs/nucl-th/0401012v1

Prog.Theor.Phys.Suppl. 154 (2004) 77-84

Physics

Nuclear Physics

Nuclear Theory

8 pages, 3 eps figures. Uses ptptex.sty. A talk given at the International conference FUSION03, November 12 - 15, 2003, Matsus

Scientific paper

10.1143/PTPS.154.77

We discuss several open problems of fusion reactions induced by weakly bound nuclei. For this purpose, we solve a one dimensional three-body Hamiltonian with the coupled-channels formalism. We show that the continuum-continuum couplings substantially reduce the total fusion probability at energies above the barrier compared with the no-breakup case, although the fusion probability remains enhanced at subbarrier energies. We then discuss a role of transfer process in fusion of weakly bound nuclei, and point out that removing spurious Pauli forbidden transfer components from the calculation may be crucial at energies below the barrier. Calculations based on the three-body classical trajectory Monte Carlo (CTMC) method are also presented in order to discuss how to model complete fusion process.

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