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The broadening of the line spread function (LSF) in the drift direction with increasing drift distance in the kinestatic charge detector is substantially reduced when small amounts (less than 1%) of… (More)
The effects of space charge in a kinestatic charge detector (KCD) were examined using computer solutions to Poisson's equation. The KCD is a strip-beam parallel-plate drift chamber used for digital… (More)
Pinhole apertures made of depleted uranium were evaluated for high-resolution SPECT brain tumor imaging of therapeutic doses (30-100 mCi) of intratumorally administered I-131 radiolabelled monoclonal… (More)
Depleted uranium (DU) pinhole collimators are evaluated for small volume SPECT imaging of 511 keV gammas from F-18 positrons, with a view towards small animal imaging. Tungsten (W) pinholes are… (More)