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Article overview
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Structures in high-energy fusion data | H. Esbensen
; | Date: |
5 Jun 2012 | Abstract: | Structures observed in heavy-ion fusion cross sections at energies above the
Coulomb barrier are interpreted as caused by the penetration of centrifugal
barriers that are well-separated in energy. The structures are most pronounced
in the fusion of lighter, symmetric systems, where the separation in energy
between successive angular momentum barriers is relatively large. It is shown
that the structures or peaks can be revealed by plotting the first derivative
of the energy weighted cross section. It is also shown how an orbital angular
momentum can be assign to the observed peaks by comparing to coupled-channels
calculations. This is illustrated by analyzing high-energy fusion data for
$^{12}$C+$^{16}$O and $^{16}$O+$^{16}$O, and the possibility of observing
similar structures in the fusion of heavier systems is discussed. | Source: | arXiv, 1206.1068 | Services: | Forum | Review | PDF | Favorites |
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