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Modeling & Characterization

RADIATION TRANSPORT MODELING

RSCS can perform shielding and dose evaluations for complex geometries and various source terms. We use state of the art radiation transport codes; such as Monte Carlo N-Particle (MCNP) from Los Alamos National Laboratory and GEANT4 from the European Organization for Nuclear Research (CERN). These codes use the latest physics models (1eV up to 100 GeV) and allow single or coupled transport of the following particles:


  • Gamma / X-rays
  • Electrons / Betas
  • Neutrons
  • Protons
  • Alphas and heavy nuclei


DOSE RECONSTRUCTION

We offer complex dose reconstruction for accident scenarios and potential contamination events. Our staff has extensive experience calculating dose from exposure pathways including inhalation, ingestion, and external radiation fields. In addition, RSCS has the ability to calculate internal dosimetry kinetic modeling from bioassay data.

SOURCE CHARACTERIZATION AND UNCERTAINTY ANALYSIS

Using NIST traceable equipment our team offers precision measurements for photon and neutron sources. Our main characterization equipment for photon and neutron fields are the Exradin spherical ion chambers and the HAWK Tissue Equivalent Proportional Counter (TEPC), respectively. Error analyses are performed for characterizations in accordance to ANSI/NCSL Z540 GUM and NCRP112 methodology.