Abstract
The mirror 3 H(α, γ)7 Li and 3 He(α, γ)7 Be reactions are considered from the microscopic viewpoint within a developed approach based on the multiscale algebraic version of the resonating group model. The total astrophysical S factors and the branching ratios for these reactions are calculated at low and intermediate energies covering the lowest resonances of the final fused nuclei. The results from the calculations are in an agreement with data from experiments.
Highlights
IntroductionThe 3H(α, γ)7Li and 3He(α, γ)7Be mirror radiative capture reactions have a great importance for astrophysical applications
The 3H(α, γ)7Li and 3He(α, γ)7Be mirror radiative capture reactions have a great importance for astrophysical applications. Both reactions are of interest to study Big Bang nucleosynthesis
The energy dependences of the calculated total astrophysical S factors and the branching ratios for both reactions agree with the data well
Summary
The 3H(α, γ)7Li and 3He(α, γ)7Be mirror radiative capture reactions have a great importance for astrophysical applications Both reactions are of interest to study Big Bang nucleosynthesis. The aim of the present work is to demonstrate the energy dependences of the total astrophysical S factors and the branching ratios R obtained for the considered reactions in a wide energy range from a microscopic approach based on the multiscale algebraic version of the resonating group model (AVRGM). This approach was proposed in Ref. [1] and developed in Ref. [2]
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