The dominance of the $\nu (0d_{5/2}{)}^2$ configuration in the $N=8$ shell in ${}^{12}$Be from the breakup reaction on a proton target at intermediate energy

Le Xuan Chung, Carlos A. Bertulani, Peter Egelhof +3

The momentum distribution of ${}^{11}$Be fragments produced by the breakup of ${}^{12}$Be interacting with a proton target at 700.5 MeV/$u$ energy has been measured at GSI Darmstadt. T…