CaF2:Mn TLD thermoluminescence response, alanine EPR signal, and radiochromic film response are all used to characterize the ionizing dose in radiation environments. When these dosimeters are used in mixed neutron/photon environments, it can be hard to capture the difference in response due to the neutrons and photon energy deposition. The literature details the use of track structure calculations to capture the dependence of the response on the density of the ionization, i.e., the electron-hole generation. Sandia is interested in using track structure theory to better characterize the dosimeters used in its reactor fields to characterize the photon exposure, i.e., to apply proper corrections for the neutron response of the dosimeters.
Contact: David Vehar