Inhibition of positronium formation in an irradiated organic solid |
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| Affiliation: | 1. Department of Clinical Pharmacy, University of Colorado Anschutz Medical Campus, Aurora, CO, USA;2. School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA;3. Zogenix, Inc., Emeryville, CA, USA |
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| Abstract: | Positron annihilation lifetime spectra and two-gamma angular distributions have been measured for DL-leucine before and after γ-irradiation. The free radicals produced inhibit the formation of positronium rather than effect its ortho-to-para conversion. |
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