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Heavy ion fusion evaporation ,simply put is when a projectile beam is incident on a target. Creating a compound nucleus which is relativly stable and highly excited with very high angular momentum. This compound nucleus now needs to lose some of this excess energy. The way it does this depends on how much energy it has. If it has sufficient energy it could emit alphas, at lower energy protons, or neutrons ( the probability is dependant on how deficient it is in either of these ). or if the energy is not too large then gamma emission or less likely internal conversion. either way the nucleus will always dexcite by gamma emission in the end all the way down to the ground state. By detecting these gamma's its possible to determine the structure of the nucleus in gamma spectroscopy.

that's a basic overview of what I understand heavy ion fusion evaporation is

Heavy ion fusion evaporation ,simply put is when a projectile beam is incident on a target. Creating a compound nucleus which is relativly stable and highly excited with very high angular momentum. This compound nucleus now needs to lose some of this excess energy. The way it does this depends on how much energy it has. If it has sufficient energy it could emit alphas, at lower energy protons, or neutrons ( the probability is dependant on how deficient it is in either of these ). or if the energy is not too large then gamma emission or less likely internal conversion. either way the nucleus will always dexcite by gamma emission in the end all the way down to the ground state. By detecting these gamma's its possible to determine the structure of the nucleus in gamma spectroscopy.

that's a basic overview of what I understand heavy ion fusion evaporation is

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