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Filtering by: Advisor Palmer, Todd S. Subject Radiative transfer

Pair production treatments for deterministic pulse-height distribution simulations

Creator:

MacQuigg, Michael R.

Abstract:

This thesis presents methods for treating annihilation photon pairs in deterministic pulse height distribution (PHD) simulations. The methods are applied in PHD simulations for monoenergtic sources of 1.6 and 2.6 MeV photons incident on 5 and 10 cm 1-D slabs of germanium, sodium iodide, and lead and the results are...

Resource Type:

Masters Thesis
Performance of hybrid methods for representative nonproliferationproblems

Creator:

Bevill, Aaron M.

Abstract:

Adjoint-derived weight windowing is a hybrid deterministic/Monte Carlo method to simulate radiation transport. In adjoint-derived weight windowing, a deterministic adjoint solution is used to create weight windows for a Monte Carlo simulation. The intent of this work is to identify factors that reduce the Figure of Merit (FOM) of Monte...

Resource Type:

Masters Thesis