Possible structure dependence in the Al reaction

In the [Formula: see text] Al reaction at E p = 17.0 MeV, the cross section and analyzing power angular distributions for several J π = 5/2 + states are found to be quite different. Except for the ground state, neither the back angle cross sections nor the analyzing powers for these states can be reproduced by cluster DWBA or CCBA calculations. It is thus inferred that this might be due to the dependence of the reaction on the structure of these states.