Interference between coulomb and nuclear excitation in inelastic scattering of O16 ions

F. Videbaek, I. Chernov, P. R. Christensen, E. E. Gross

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The excitation function for the process Ni58(O16, O16′)Ni58* (1.45 MeV) has been measured at 60°, 75°, and 90° lab over the energy range 34-58 MeV. At low energy the cross section rises as expected from Coulomb excitation of an electric quadrupole with a B(E2) value of (0.066±0.004)e2 b2. As the energy is increased further, the 2+ excitation function exhibits a deep valley, due to an interference between Coulomb and nuclear excitations, which is localized over a distance of ∼1 F and appears to be correlated with a rise in elastic scattering (relative to Rutherford scattering).

Original languageEnglish
Pages (from-to)1072-1074
Number of pages3
JournalPhysical Review Letters
Issue number16
Publication statusPublished - 1 Jan 1972


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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