An Epr Study of Gamma-irradiated and Alpha-irradiated Synthetic Powdered Calcite Labeled With C-13

Debuyst, René;Bidiamambu, M.;Dejehet, Fernand
(1991) Nuclear Tracks and Radiation Measurements — Vol. 18, n° 1-2, p. 193-201 (1991)

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Authors
  • Debuyst, RenéUCLouvain
    Author
  • Bidiamambu, M.
    Author
  • Dejehet, FernandUCLouvain
    Author
Abstract
Samples of C-13 enriched (99%) calcite were exposed to gamma-ray and alpha-particle irradiations. Due to their g and hyperfine coupling values, the EPR signals could be attributed to four CO2- radicals located in different environments, two CO3- radicals and two non-carbon centred species (at g = 2.0052 and 2.0036). The isotropic dating signal at g = 2.0007 is attributed to a rapidly tumbling CO2- radical. An axial CO2- radical is selectively produced by alpha-particles.
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Debuyst, R., Bidiamambu, M., & Dejehet, F. (1991). An Epr Study of Gamma-irradiated and Alpha-irradiated Synthetic Powdered Calcite Labeled With C-13. Nuclear Tracks and Radiation Measurements, 18(1-2), 193-201. https://doi.org/10.1016/1359-0189(91)90113-V (Original work published 1991)