Abstract

The number of photons inelastically scattered within a well defined solid angle used in Compton scattering is linearly dependent on the mass density and hence the electron density of the sample. The effect of a high density high atomic number material (Pb), and a lower atomic number material (Cu) in an aluminium matrix on the resultant Compton scattered images has been investigated. Better contrast, signal-to-noise ratio, and measurement precision are recorded for the lead inclusion, as expected. A minimum detectable change in mass density of 4.2 g cm 3 for our system is recorded.

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