6Li Breakup and formation at astrophysical energies

Abstract

Abstract The main components of nuclear fusion processes that occur in stars are the radiative capture and its inverse reaction, during helium transforms into heavier elements. The deuteron-alpha radiative capture and the 6 L i ( γ , α ) d reactions are studied using Effective Field Theory (EFT). The scattering amplitude for the initial P-wave states of deuteron-alpha for the sum of E 1 and E 2 transition are found, up to next to leading order (NLO). Furthermore, the photodisintegration rate of the 6 L i ( γ , α ) d reaction is calculated. The obtained results are in good agreement with the available experimental data and those of other theoretical models, at astrophysical energies.