Abstract
There is a recently renewed interest on the study of single and double charge exchange reactions with heavy ions. We report here a preliminary theoretical study of double charge exchange reactions in terms of two successive charge exchanges in 2nd order Distorted Wave Born approximation. This allows us to include the effect of the different transfer channels in an approximate way. Evidences show that the charge exchange process is dominant. The following one in importance is the combination of one single charge exchange, one neutron pick-up and one proton stripping. This particular process calls for further investigation.
Highlights
Nuclear reactions are one of the most important tools to unravel the nature of the interaction between neutrons and protons inside the atomic nucleus
In spite of this extra difficulty, we find in the literature different cases in which we have improve our understanding of certain problems thanks to particular characteristics not available with light nuclei
The final cross section for double charge exchange will depend on the Fermi and Gamow Teller response of both the nucleus of interest and the heavy ion used as experimental probe in the reaction
Summary
Nuclear reactions are one of the most important tools to unravel the nature of the interaction between neutrons and protons inside the atomic nucleus. The final cross section for double charge exchange will depend on the Fermi and Gamow Teller response of both the nucleus of interest (the target) and the heavy ion used as experimental probe in the reaction. The final situation can be reached through different combinations of neutron pickup, proton stripping, and single charge-exchange processes.
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