Table 2.
Measured I50 and Monte Carlo parameters of the incident electron beam used to match measured data. Energy and spectral width are the values for the simulation with the thicker exit window. Divergence values are those used with the manufacturer-specified exit window thickness. Spectral width is full width of half maximum: absolute uncertainty is 4%.
| Bending magnet current (A) | I50 (cm) | Energy (MeV) | Spectral width (%) | Divergence (°) |
|---|---|---|---|---|
| 12.6 | 2.45 | 6.51 | 20.0 | 3.3 |
| 15 | 2.96 | 7.67 | 18.8 | 2.9 |
| 18 | 3.68 | 9.32 | 17.2 | 2.4 |
| 21 | 4.37 | 10.97 | 15.8 | 2.2 |
| 24 | 5.06 | 12.58 | 14.4 | 1.8 |
| 26.3 | 5.63 | 13.94 | 13.2 | 1.8 |