Evolution of Airy structure in 12C(12C, 12C)12C between 5 and 10 MeV/A
Faculté des Sciences, Université de Mons-Hainaut, B-7000, Mons, Belgium
2 Department of Applied Science and Environment, Kochi Women’s University, 780-8515, Kochi, Japan
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We investigate the properties of a global optical potential, which describes the 12C + 12C elastic-scattering data between 70 and 130 MeV, within the nearside/farside and barrier-wave/internal-wave decomposition techniques. Particular emphasis is laid on the discussion of the incomplete absorption features of this system, and especially on the properties of the Airy minima which are observed in the experimental excitation function. The complicated angular and energy evolution of the data is explained in terms of the interference of a small set of scattering subamplitudes with a much simpler behavior.
© Società Italiana di Fisica and Springer-Verlag, 2004