Strong neutron-transfer coupling effects in the reaction mechanism of the 18O + 64Zn system at energies near the Coulomb barrier
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Physical Review C
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The precise quasielastic excitation function for the 18O + 64Zn system was measured at energies near and
below the Coulomb barrier at θlab = 161◦, from which its correlated quasielastic barrier distribution was derived.
The excitation functions for the two-neutron, α, and tritium transfer reactions have also been measured at
the same conditions. These data were well described by the coupled channel and coupled reaction channel
calculations. The comparison of the data with theoretical calculations shows the strong influence of three
inelastic channels in the coupling process: the quadrupole and octupole vibrational states of 64Zn, 2+
1 and 3−
1 ,
and the quadrupole vibrational state of 18O, 2+
1 . In addition, theoretical calculations indicate that the two-neutron
stripping is mostly due to a one-step process, which has a striking effect on the reaction mechanism of this
system.
Como referenciar
CREMA, E.; PAES, B.; ZAGATTO, V.A.B.; HUIZA, J.F.P.; LUBIAN, J.; SHORTO, J.M.B.; SIMÕES, R.F.; MONTEIRO, D.S.; ADDED, N.; MORAIS, M.C.; GOMES, P.R.S. Strong neutron-transfer coupling effects in the reaction mechanism of the 18O + 64Zn system at energies near the Coulomb barrier. Physical Review C, v. 100, n. 5, p. 054608-1 - 054608-11, 2019. DOI: 10.1103/PhysRevC.100.054608. Disponível em: http://repositorio.ipen.br/handle/123456789/30851. Acesso em: 20 Mar 2026.
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