ALPHA-SPECTROSCOPIC FACTORS IN CA-40

In the Ar36(Li6,d)Ca40 reaction, at a bombarding energy of 17 MeV, angular distributions have been measured for all levels below 7 MeV excitation. Unnatural-parity states are weak. For natural-parity states, the angular distributions are characteristic of direct α stripping, even as far backward as 160°for the strong states. The data have been analyzed with zero-range distorted-wave Born approximation in order to extract relative α-particle spectroscopic factors. NUCLEAR REACTIONS Ar36(Li6,d), E=17.0 MeV; measured σ(Ed,θ); Ca40 levels deduced Sα. DWBA analysis. Enriched gas target. © 1979 The American Physical Society.