Fusion cross sections for 6,7Li + 24Mg reactions at energies below and above the barrier

Abstract

Measurement of fusion cross sections for the 6,7Li + 24Mg reactions by the characteristic gamma-ray method has been done at energies from below to well above the respective Coulomb barriers. The fusion cross sections obtained from these gamma-ray cross sections for the two systems are found to agree well with the total reaction cross sections at low energies. The decrease of fusion cross sections with increase of energy is consistent with the fact that other channels, in particular breakup open up with increase of bombarding energy. This shows that there is neither inhibition nor enhancement of fusion cross sections for these systems at above or below the barrier. The critical angular momenta (lcr) deduced from the fusion cross sections are found to have an energy dependence similar to other Li - induced reactions.

arXiv comment1 .pdf file

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• Transfer/Breakup Channel Couplings in Sub-barrier Fusion Reactions
• Cluster Model For Reactions Induced By Weakly Bound And/Or Exotic Halo Nuclei With Medium-Mass Targets
• Coupled-Channel Effects in Collisions between Heavy Ions near the Coulomb Barrier