Joannes-Boyau, Renaud; Grun, Rainer; Bodin, Thomas
Spectrum decomposition of the angular measurements of fossil tooth enamel fragments using an automated simulated annealing (SA) procedure shows that the mix CO2- radicals generated by laboratory irradiation is significantly different to that of the natural sample. The naturally irradiated sample contains about 10% of non-oriented CO2- radicals and a mix of 35:65 orthorhombic to axial CO2- radicals. In contrast, laboratory irradiation generated about 40% of non-oriented radicals and a large...[Show more]
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