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. 2010 Oct 1;43(Pt 6):1356–1371. doi: 10.1107/S0021889810033418

Table 2. Parameters of the simulation.

Item Source Value
Inline graphic Number of incident X-ray photons Poisson-distributed signal  
Inline graphic Fraction of incident X-ray photons that interact Binomial success probability, equal to the phosphor quantum absorption 0.85
Inline graphic Mean quantum amplification of phosphor Simulated scintillation spectrum 281.5 photons
Inline graphic Standard deviation of the quantum amplification ofthe phosphor Standard deviation of the simulated scintillation spectrum 163.3 photons
Inline graphic Overall transmission Binomial success probability, product of: 50% FOT acceptance, 14% FOT transmittance, 70% FOT to CCD fibre-optic stub acceptance, 35% quantum efficiency of CCD 0.01715
N Number of pixels signal is recorded over Determined by integration procedure  
σr CCD read-out noise Normal distribution 10 electrons r.m.s.
g ADC Number of electrons per ADU Fixed constant 0.2