Elastic Scattering ofO16byTi48,Ca40,Al27,C12,Li7, andLi6
- 1 February 1971
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review C
- Vol. 3 (2), 430-438
- https://doi.org/10.1103/physrevc.3.430
Abstract
A number of isotopically enriched light targets were bombarded with ions of 36- to 48- MeV energy (lab), and ten elastic angular distributions were measured. All cross sections show strongly destructive interference of nuclear and Coulomb scattering at angles above 30 to 60° c.m., and fall orders of magnitude below the Coulomb cross section. The data were fitted reasonably well with conventional optical-model calculations, and values between 0.5 and 5.2 could be obtained for all targets. Typically, four-parameter fits were adequate. For the heavier targets the parameter sets are not unique, but were found to have continuous well-depth—geometry ambiguities, which were investigated in some detail. A procedure to produce in situ clean targets of highly reactive elements is described.
Keywords
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