R-matrix analysis of elastic scattering, phase shift and radiative capture reaction cross sections in the $\alpha +\alpha$ system

Suprita Chakraborty, Rajkumar Santra, Subinit Roy +1

The unstable nucleus ${}^8$Be, with its two $\alpha$-cluster configuration, is the doorway to the formation of heavier $\alpha$-cluster nuclei. Most importantly, its the precursor of the produ…