M.Phil. (Energy Studies) / This dissertation details the radiation shielding analysis and optimization performed to design a shield for the mineral-PET (Positron Emission Tomography) facility. PET is a nuclear imaging technique currently used in diagnostic medicine. The technique is based on the detection of 511 keV coincident and co-linear photons produced from the annihilation of a positron (produced by a positron emitter) and a nearby electron. The technique is now being considered for the detection of diamonds in Kimberlite rock, in which mineral-PET technology aims to improve diamond mining through the early detection of diamond bearing rocks. High energy photons are produced via Bremsstrahlung (which occurs when electrons from an accelerator, impinge on a high density target)...
| Identifer | oai:union.ndltd.org:netd.ac.za/oai:union.ndltd.org:uj/uj:12555 |
| Date | 08 October 2014 |
| Creators | Chinaka, Eric Mwanyisa |
| Source Sets | South African National ETD Portal |
| Detected Language | English |
| Type | Thesis |
| Rights | University of Johannesburg |
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