4.5 Article

Modeling photon-induced reactions on 233-238U actinide targets

Journal

PHYSICAL REVIEW C
Volume 103, Issue 5, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.103.054605

Keywords

-

Funding

  1. IAEA under CRP [F41033, 20364]
  2. UEFISCDI [PCE-2016-0014, 7/2017]
  3. Sao Paulo Research Foundation (FAPESP) [2017/05660-0]
  4. CNPq [306433/2017-6]
  5. INCT-FNA Project [464898/20145]
  6. National Nuclear Security Administration of the US Department of Energy at Los Alamos National Laboratory [89233218CNA000001]

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Comprehensive calculations of photon-induced reactions on U233-238 targets for incident photon energies from 3 up to 30 MeV are conducted using the statistical model code EMPIRE-3.2 Malta. The differences and similarities between models and parameters used in calculations of photon- and neutron-induced reactions on the same nuclei, focusing on fission, are discussed. The role of an extended optical model for fission, which includes partial damping in the continuum, in improving the description of the measured data is emphasized.
Comprehensive calculations of photon-induced reactions on U233-238 targets for incident photon energies from 3 up to 30 MeV are undertaken with the statistical model code EMPIRE-3.2 Malta. Results are compared with the experimental data from EXFOR and with the current evaluations. The differences and the similarities between the models and parameters used in calculations of photon- and neutron-induced reactions on the same nuclei are discussed with focus on fission. The role of the extended optical model for fission that includes partial damping in the continuum in improving the description of the measured data is pointed out.

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