Coulomb dissociation of {sup 15}C and radiative neutron capture on {sup 14}C.
2009
The semiclassical, dynamical description of diffraction dissociation of weakly bound nuclei is applied to analyze the decay-energy spectra of {sup 15}C that have been measured at 68 MeV/nucleon on a Pb target. The optical potentials that are used to describe the nuclear interaction of {sup 15}C with the target nucleus are realistic because the fits to the two measured spectra, one with a small and one with a very large acceptance angle, are consistent and of similar quality. The cross section for the radiative neutron capture on {sup 14}C to the 1/2{sup +} ground state of {sup 15}C is deduced from the analysis. When combined with an estimated contribution from the capture to the 5/2{sup +} excited state of {sup 15}C, an excellent agreement with a recent direct capture measurement is achieved.
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