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Photodisintegration cross sections for resonant states and virtual states


The s-wave photodisintegration cross sections observed just above the neutron breakup threshold energy are calculated for resonant and virtual states by using a complex-scaled two-body model, which simulates the 9Be nucleus with a 8Be+ns-wave channel. We investigate the differences between behaviors of the resonance and virtual states in the photodisintegration cross sections near threshold energy in detail. It is shown that, in the present two-body model, resonant states very near the threshold energy produce a peak structure in the photodisintegration cross section that is similar that of the virtual state.


  • Physical Review C

    Physical Review C 99 (3), 034312-, 2019-03-13

    American Physical Society (APS)


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