Table 1 The training variables (data label), v1, v2, v3, v4, v5, and v6, with respect to the electron properties (input data), p1, p2, p3, p4, p5 and p6, are listed, including the upper maximum and lower minimum limits for all parameters and their physical definitions.
From: Toward fully automated UED operation using two-stage machine learning model
Variable | Min | Max | Unit | Formula | Description | Beam properties | Formula | Description |
|---|---|---|---|---|---|---|---|---|
v1 | 0 | 5 | μm | xoff | x-jitter | p1 | avg(x) | x-position |
v2 | 0 | 5 | μm | yoff | y-jitter | p2 | avg(y) | y-position |
v3 | 30 | 220 | μm | σr | Spot size | p3 | std(x') | x-divergence |
v4 | − 0.025 | 0.025 |  | ∆VRF/ VRF | RF amplitude jitter | p4 | std(y') | y-divergence |
v5 | 5 | 60 | degree | θgun | RF phase | p5 | ∆G | Energy spread |
v6 | 0 | 0.4 | Â | I / Imax | Solenoid factor | p6 | G | Energy |