TABLE 3.

Parameters for Global Fitting of RR_NOR in Several Exponential Models

Exponential models
Parameter	Exp model 1	Exp model 2	Exp model 3
RR0	1.02 ± 0.03 (<10−4)	1.06 ± 0.03 (<10−4)	1.03 ± 0.04 (<10−4)
α0 (Gy−1)	0.78 ± 0.15 (<10−4)	0.22 ± 0.07 (0.002)	0.22 ± 0.07 (0.002)
α1 (Gy-keV/μm)−1	-	0.0052 ± 0.0022 (0.019)	0.0049 ± 0.0022 (0.029)
α2 (Gy–1(keV/μm−1)−2)	-	−0.00003 ± 0.00001 (0.013)	−0.00003 ± 0.00001 (0.020)
ρ(day−1)	-	-	0.00022 ± 0.00019 (0.232)
Adjusted R2	0.9988	0.9989	0.9989
AIC	139.17	136.65	137.25
BIC	145.86	150.02	153.96
Sigma-fluence model
Parameter	m = 2	m = 3	m = “fitting parameter”
m	2	3	1.30 ± 0.14 (<10−4)
RR0	1.08 ± 0.03 (<10−4)	1.08 ± 0.03 (<10−4)	1.06 ± 0.03 (<10−4)
σ0 (μm2)	4.24 ± 1.05 (<10−4)	3.93 ± 0.85 (<10−4)	6.01 ± 2.38 (0.012)
κ	130.9 ± 33.2 (<10−4)	87.88 ± 16.41 (<10−4)	304.3 ± 174.0 (0.082)
Adjusted R2	0.9988	0.9989	0.9989
AIC	137.72	136.65	136.38
BIC	147.75	150.02	149.75

Note. Models that fit the data best are indicated in bold type.