Search for three alpha states around an ${}^{16}$O core in ${}^{28}$Si

T. Ichikawa, N. Itagaki, Y. Kanada-En'yo +2

We investigate the existence of weakly coupled gas-like states comprised of three $\alpha$ particles around an ${}^{16}$O core in ${}^{28}$Si. We calculate the excited states in ${}^{28}$Si u…