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Calculated number of generated photons and averaged photon energies for the four irradiation programs.
| Irradiator | kVp | Activity or current | Exposure time [s] | Averaged energy [keV] | Number of photons [× 1016] |
|---|---|---|---|---|---|
| Mark I-68 | - | 2068 Ci | 862.8 | 662 | 5.58 |
| X-Rad320 | 320 | 12.5 mA | 1944 | 156.3 | 4.38 |
| X-Rad320 | 225 | 17.5 mA | 3927 | 128.8 | 5.14 |
| X-Rad320 | 160 | 25.0 mA | 10458 | 105.7 | 6.80 |
