Abstract
The observation of refractive effects in 16O+16O and 16O+12C elastic scattering data has definitively established the fact that the optical potential for some light heavy-ion systems is relatively transparent and that its real part is deep. Most of the interpretations of the rainbow features of these data rely on the so-called nearside-farside decomposition of the scattering amplitude. Starting from recent optical model analyses of 16O+16O and 16O+12C elastic scattering around 100 MeV incident energy as an example, we present an alternative interpretation based on the barrier-wave/internal-wave decomposition first proposed by Brink and Takigawa. This method, which complements the nearside-farside approach, demonstrates clearly the exceptional transparency of the 16O+16O, and to a lesser extent 16O+12C, interactions at the investigated energies and makes possible the extraction of the two contributions whose interference explains the Airy oscillations seen in the farside amplitude.
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From Yadernaya Fizika, Vol. 65, No. 4, 2002, pp. 706–709.
Original English Text Copyright © 2002 by Michel, Brau, Reidemeister, Ohkubo.
This article was submitted by the authors in English.
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Michel, F., Brau, F., Reidemeister, G. et al. Interpretation of airy minima in 16O+16O and 16O+12C elastic scattering in terms of a barrier-wave/internal-wave decomposition. Phys. Atom. Nuclei 65, 674–677 (2002). https://doi.org/10.1134/1.1471272
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DOI: https://doi.org/10.1134/1.1471272