Elastic scattering ofα-particles from20Ne
A relatively simple procedure using nuclear interaction calculated microscopically from two-nucleon potential employing equivalence of resonating group method and generator coordinate method has been used to calculate the differential cross-sections (DCS) forα +20Ne elastic scattering atElab=18.0, 20.2, 21.9, 23.0 and 27.2 MeV. The absorption effects due to the opening of the non-elastic channels are taken into account approximately by the sharp cut-off of lower partial waves. The anomalous large oscillations of the DCS at backward angles atElab=18.0 and 27.2 MeV are reproduced. The calculated results are in fair agreement with the experimental data.
Volume 94, 2020
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