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Figure 13
Percentage discrepancy between theories and other experimental measurements. This work shows excellent agreement with the careful work of Tran et al. (2005BB40) collected under independent conditions, with agreement to within one standard error across the range from 16 keV to 20 keV for a standard error of about 0.1%. The results also confirm a discrepancy between the measurements and the FFAST tabulation of about 2% at the higher energies, which increases towards lower energies. Comparison of the data to XCOM theory shows better agreement but also reaches 3%. This is not surprising since the theoretical predictions have an accuracy of order 1%.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 21| Part 2| February 2014| Pages 413-423
doi:10.1107/S1600577513024089
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