Low energy positron interactions with uracil-Total scattering, positronium formation, and differential elastic scattering cross sections

E Anderson, R Boadle, J Machacek, Luca Chiari, Casten Makochekanwa, S Buckman, Michael Brunger, Gustavo Garcia, Francisco Blanco, O Ingolfsson, J P Sullivan

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    Abstract

    Measurements of the grand total and total positronium formation cross sections for positron scattering from uracil have been performed for energies between 1 and 180 eV, using a trap-based beam apparatus. Angular, quasi-elastic differential cross section measurements at 1, 3, 5, 10, and 20 eV are also presented and discussed. These measurements are compared to existing experimental results and theoretical calculations, including our own calculations using a variant of the independent atom approach.

    Original languageEnglish
    Article number034306
    Pages (from-to)Article: 034306
    Number of pages9
    JournalJournal of Chemical Physics
    Volume141
    Issue number3
    DOIs
    Publication statusPublished - 2014

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  • Cite this

    Anderson, E., Boadle, R., Machacek, J., Chiari, L., Makochekanwa, C., Buckman, S., Brunger, M., Garcia, G., Blanco, F., Ingolfsson, O., & Sullivan, J. P. (2014). Low energy positron interactions with uracil-Total scattering, positronium formation, and differential elastic scattering cross sections. Journal of Chemical Physics, 141(3), Article: 034306. [034306]. https://doi.org/10.1063/1.4887072