Photodisintegration of light and medium-weight nuclei at intermediate energies—V

An analysis of the total photoabsorption cross section for nuclei ranging from 4He up to 238U has been performed in the energy range 0.2-1.0 GeV. Mean total photoabsorption cross sections have been obtained by summing up the contributions from partial photoreactions, and found to follow an A1-dependence in the 0.2-1.0 GeV range. A review of the available total photoabsorption cross section data is also presented. Comparisons have been made with cross section values calculated by considering both the quasi-deuteron and π-meson photoproduction mechanism of primary nuclear photointeraction.

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The width of the fission channel for the interaction of photons with²³⁸U nuclei in the quasideuteron energy region

Napoli¹,

Apicella²,

Bassi³

et al. 1989

J. Phys. G: Nucl. Part. Phys.

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A novel formulation of the dependence of the total cross section for the photon-nucleus interaction on photon energy and target mass number is proposed and used to obtain the photofission channel width rF for 238U in the quasideuteron energy range. Comparison with experiments and with different calculations show that the formalism used is quite adequate to explain the generally assumed trend of rF against energy and mass number in this peculiar energy region.NUCLEAR REACTION 238U ( y , Fission), 40 M e V s E,< 80 MeV; calculated total cross section, uT, and fission channel width, rF. Comparison with experimental and calculated values of rF for different interaction models.

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Photodisintegration of light and medium-weight nuclei at intermediate energies—V

Cited by 3 publications

References 28 publications