Table 1.

Simulation parameters (in percentage)

	pO2, bar	Initial S0, S1, S2, S3	Miss factor	Double hits	Non-QB centers
XANES spectra	0.2	10, 80, 10, 0	15	0	15
	11(a)	10, 80, 10, 0	7	14	15
	11(b)	10, 60, 30, 0	15	55	15
X-ray time scans	0.2	0, 90, 10, 0	12	0	10
	13(a)	0, 90, 10, 0	9	14	10
	13(b)	0, 60, 40, 0	12	35	10

The simulation results are shown as lines in Fig. 3. Values revealing pronounced changes at elevated pO₂ are marked bold. (a) Uniform double hit probability on all four S-transitions. (b) Apparent double hits only on the S₀→S₁ transition.