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Fusion hindrance in light nuclear systems: binding energy and/or surface diffuseness effect?

2000; Elsevier BV; Volume: 679; Issue: 2 Linguagem: Inglês

10.1016/s0375-9474(00)00346-8

1873-1554

A. Szanto de Toledo, N. Added, W. H. Z. Cárdenas, N. Carlin, M. M. de Moura, M. G. Munhoz, A. A. P. Suaide, E. M. Szanto, J. Takahashi,

Quantum Chromodynamics and Particle Interactions

Systematic studies of fusion barriers for p and light s – d shell nuclei show an increase of the value of their height as the atomic mass number decreases. Two features are observed to be associated to this effect: the low binding energy of a nucleon or cluster and the increase of the nuclear surface diffuseness. The relative competition of these two features is discussed in the present paper.