Abstract
A fusion excitation function for the 8B+58Ni proton-halo system at near Coulomb barrier energies was recently published (Aguilera E F et al. 2011 Phys. Rev. Lett. 107 092701). The respective fusion cross sections (σfus) were determined from the integrated cross sections for the evaporated protons (σp), by using proton multiplicities (Mp) calculated with the code PACE. In this code, the transmission coefficients Tl are calculated only for the compound-nucleus values of A and Z and an extrapolation is then made for subsequent decays. In the present work, the reliability of the whole procedure is further investigated both, by studying the effect of variations in the input parameters to PACE and by computing the Mp values with the alternate code LILITA. An explicit calculation of all necessary transmission coefficients is made in the latter code.
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