Browsing Natural Sciences by Author "Ndawana, Lutende Macleans"
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Single quantum pair annihilation and its contribution in the calculation of photon mass energy absorption coeefficients
Ndawana, Lutende Macleans (2012-08-28)This dissertation considers the single quantum pair annihilation of positrons with bound K-shell electrons in heavy atoms. It gives numerical calculations of the total cross section. By means of the method due to Basbas ...