Abstract
We have investigated the \(^3\hbox{He} (\alpha ,\gamma ) ^7\hbox{Be}\) radiative capture reaction using the pionless Effective Field Theory (EFT). The amplitude, cross-section, and S-factor for the \(E_1\) and \(E_2\) transitions to the \(^{7}\hbox{Be}\) ground state have been computed using the Faddeev equation approach up to Next-to Leading Order in the astrophysical energy range. Our aim has been the study of Coulomb interaction effects and the contribution of EFT higher-order calculations in optimizing the results. The computed S-factor for the reaction agrees with experimental data and previous theoretical calculations.
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BC conceived of the presented idea. BC developed the theory and performed the computations. AB and AC verified the analytical methods. BC supervised the findings of this work. All authors discussed the results and contributed to the final manuscript.
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Khoddam, M., Sadeghi, H. & Nahidinezhad, S. \(^{3}\hbox{He} - \alpha \) Radiative Capture Reaction by EFT. Iran J Sci 47, 1013–1027 (2023). https://doi.org/10.1007/s40995-023-01433-7
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DOI: https://doi.org/10.1007/s40995-023-01433-7