Disentangling static and dynamic effects of low breakup threshold in fusion reactions
J. CantóInstituto de Física, Universidade Federal do Rio de Janeiro, C.P. 68528, 21941-972 Rio de Janeiro, BrazilP. R. S. GomesInstituto de Física, Universidade Federal Fluminense, Av. Litorânea, 24210-340 Niteroi, BrazilJ. LubiánInstituto de Física, Universidade Federal Fluminense, Av. Litorânea, 24210-340 Niteroi, BrazilL. C. ChamonInstituto de Física, Universidade de São Paulo, C.P. 66318, 05389-970 São Paulo, BrazilE. CremaInstituto de Física, Universidade de São Paulo, C.P. 66318, 05389-970 São Paulo, Brazil
2008en
ABI
Annotatsiya
A new technique to analyze fusion data is developed. From experimental cross sections and results of coupled-channel calculations a dimensionless function is constructed. In collisions of strongly bound nuclei this quantity is very close to a universal function of a variable related to the collision energy, whereas for weakly bound projectiles the effects of breakup coupling are measured by the deviations with respect to this universal function. This technique is applied to collisions of stable and unstable weakly bound isotopes.
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