Table 2 Power-law fit
|  | Threshold energy E 1 [μJ] | k | R 2 |
|---|---|---|---|
1.0 | 16.06 ± 0.7 | 5.88 ± 0.02 | 0.93 |
2.0 | 18.36 ± 0.7 | 5.88 ± 0.01 | 0.98 |
3.0 | 20.79 ± 0.7 | 5.55 ± 0.02 | 0.94 |
4.0 | 23.27 ± 0.7 | 5.00 ± 0.03 | 0.90 |
|  | Threshold energy E 1 [μJ] | k | R 2 |
|---|---|---|---|
1.0 | 16.06 ± 0.7 | 5.88 ± 0.02 | 0.93 |
2.0 | 18.36 ± 0.7 | 5.88 ± 0.01 | 0.98 |
3.0 | 20.79 ± 0.7 | 5.55 ± 0.02 | 0.94 |
4.0 | 23.27 ± 0.7 | 5.00 ± 0.03 | 0.90 |