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. 2010 Jul 12;37(8):3957–3969. doi: 10.1118/1.3429056

Table 1.

Four statistical descriptors of recorded spectrum with quasimonochromatic x-ray spectrum of 60 keV obtained by MC simulations and the model.

  Relative count rates aτ (count rate loss ratio)
0.01 (1.0%) 0.02 (2.0%) 0.05 (4.8%) 0.10 (9.1%) 0.20 (16.7%) 0.50 (33.3%) 1.00 (50.0%) 2.00 (66.7%)
Mean (keV) MC 59.2 59.2 59.4 59.7 60.4 62.9 68.4 83.5
Model 59.7 59.7 59.8 59.9 60.3 62.1 66.2 75.3
% errors 1.0 0.9 0.6 0.3 0.1 1.3 3.2 9.8
St. dev. (keV) MC 4.9 5.8 7.9 10.6 14.7 23.5 34.0 48.5
Model 4.8 5.6 7.3 9.7 13.5 22.3 33.1 45.0
% errors 2.1 4.6 7.3 8.2 7.8 5.0 2.7 7.3
Skewness MC 3.7 4.5 4.5 3.9 3.0 1.9 1.3 0.8
Model 2.8 3.8 4.3 4.0 3.3 2.2 1.5 0.7
% errors 23.3 16.2 5.2 2.3 9.2 16.8 14.7 9.2
Kurtosis MC 42.5 44.2 33.3 22.3 13.7 7.2 4.8 3.4
Model 32.1 37.3 33.2 24.8 16.7 8.9 5.1 2.9
% errors 24.4 15.6 0.3 11.0 21.4 24.6 7.1 12.7