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

E. K. Anderson; R. A. Boadle; J. R. Machacek; L. Chiari; C. Makochekanwa; S. J. Buckman; M. J. Brunger; G. Garcia; F. Blanco; O. Ingolfsson; J. P. Sullivan

doi:10.1063/1.4887072

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

E. K. Anderson, R. A. Boadle, J. R. Machacek, L. Chiari, C. Makochekanwa, S. J. Buckman^*, M. J. Brunger, G. Garcia, F. Blanco, O. Ingolfsson, J. P. Sullivan

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

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 language	English
Article number	034306
Journal	Journal of Chemical Physics
Volume	141
Issue number	3
DOIs	https://doi.org/10.1063/1.4887072
Publication status	Published - 21 Jul 2014

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Anderson, E. K., Boadle, R. A., Machacek, J. R., Chiari, L., Makochekanwa, C., Buckman, S. J., Brunger, M. J., 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. https://doi.org/10.1063/1.4887072

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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.",

author = "Anderson, {E. K.} and Boadle, {R. A.} and Machacek, {J. R.} and L. Chiari and C. Makochekanwa and Buckman, {S. J.} and Brunger, {M. J.} and G. Garcia and F. Blanco and O. Ingolfsson and Sullivan, {J. P.}",

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Anderson, EK, Boadle, RA, Machacek, JR, Chiari, L, Makochekanwa, C, Buckman, SJ, Brunger, MJ, Garcia, G, Blanco, F, Ingolfsson, O & Sullivan, JP 2014, 'Low energy positron interactions with uracil - Total scattering, positronium formation, and differential elastic scattering cross sections', Journal of Chemical Physics, vol. 141, no. 3, 034306. https://doi.org/10.1063/1.4887072

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T1 - Low energy positron interactions with uracil - Total scattering, positronium formation, and differential elastic scattering cross sections

AU - Anderson, E. K.

AU - Boadle, R. A.

AU - Machacek, J. R.

AU - Chiari, L.

AU - Makochekanwa, C.

AU - Buckman, S. J.

AU - Brunger, M. J.

AU - Garcia, G.

AU - Blanco, F.

AU - Ingolfsson, O.

AU - Sullivan, J. P.

PY - 2014/7/21

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N2 - 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.

AB - 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.

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U2 - 10.1063/1.4887072

DO - 10.1063/1.4887072

M3 - Article

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JO - Journal of Chemical Physics

JF - Journal of Chemical Physics

IS - 3

M1 - 034306

ER -

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

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