ne.gif (2791 bytes)     NE406 Radiation Protection and Shielding

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Review for Test #1

To adequately prepare for this test, you should be able to:

  1. Give the full names of the following organizations: RSICC, NNDC, IAEA, NCRP, ICRP, and EPA.
  2. Determine the solid angle associated with objects that have a shadow corresponding to surfaces on a sphere or a flat disks (e.g. a donut)
  3. Define and give symbols for fluence, flux, flow, and current.
  4. Determine the fluence, flux, flow, and current for a defined particle flow situation (given as a directional distribution).
  5. Translate a given physical source description among the different source configurations -- point, line, surface, or volumetric.
  6. Define: solid angle, Becquerel, Curie, linear interaction coefficient, mass interaction coefficient, incoherent scatter, coherent scatter, Thomson scattering, what Klein-Nishina formula is used for.
  7. Determine a gamma source term for given amounts (activity or mass) of specific nuclides using Appendix H data (which will be provided).
  8. Provide the reasons that "mass interaction coefficient" is a useful concept.
  9. Create mass interaction coefficient for a material (at a given energy) if elemental mass interaction coefficients are provided.
  10. Describe the physical mechanisms of Compton scattering, photoelectric effect, and pair production.
  11. Find the maximum energy loss for given gamma rays due to Compton scattering or pair production.
  12. Find threshold energies for neutron inelastic scattering for given level data.
  13. Find maximum or average energy loss from elastic or inelastic neutron scattering for a given isotope (levels provided).
  14. Explain why Rayleigh scattering is generally ignored.
  15. Explain why we generally shield first for neutrons and then for gamma rays.

From our MCNP studies:

  1. Create the surfaces and cells for a simple geometry described to you utilizing spheres, boxes, or cylinders (which may intersect with each other).
  2. Describe the materials, geometry, source, and tallies from an MCNP input deck I provide to you
  3. Describe the three ways to STOP an MCNP calculation.

 

 

 

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