Table 7.
Adopted correction factors for measurements made with the NIST FACs for the Xoft Axxent source at 50 kV.
| Factor | For: | Lamperti | Ritz |
|---|---|---|---|
| 1 kion | ion recombination | ≈1.0000 | ≈1.0000 |
| 2 khumidity | humidity of air | 0.998 | 0.998 |
| 3 katt | Attenuation | 1.0087 | 1.0283 |
| 4 kel | electron loss | 1.0008 | 1.0000 |
| 5 ksc | photon scatter | 0.9987 | 0.9970 |
| 6 kfl | fluorescence reabsorption | 0.9979 | 0.9969 |
| 7 kbr/(1−g) | effects of bremsstrahlung | 1.0 | 1.0 |
| 8 kii | initial ion | 1.0 | 1.0 |
| 9 kdia | diaphragm scatter | 1.0 | 1.0 |
| П k1−9 | 1.0041 | 1.0200 | |
| Kvac/Kair | conversion to air-kerma strength | 1.12 | 1.12 |