Emission of helium nuclei in heavy ion interactions at energies >= 100 mev/nucleon
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Abstract: (Springer)
The energy and angular distributions of helium particles emitted in interactions between nuclei in the cosmic radiation and nuclei in photoemulsions at energies ≧ 100 MeV/nucleon have been studied. The data obtained is impossible to interpret on the basis of a statistical decay of excited nuclei. For example, it is found that more than 28% of the helium nuclei are emitted in processes different from simple evaporation. The differential energy distribution of the helium nuclei in the energy interval (40–200) MeV can be represented by the relationN(E)dE=constE−adE, wherea≈1.2.- cosmic radiation
- nucleus nucleus: interaction
- interaction: nucleus nucleus
- helium: emission
- emission: helium
- energy spectrum
- angular distribution
- model: cluster
- nuclear emulsion: experimental results
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