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Table 5.
STEP Level-2 trigger logic.
| L2 trigger # | Coincidence condition | L3 trigger class | Description |
|---|---|---|---|
| 0 |
 |
0 | Single pixel hit IC |
| 1 |
 |
1 | Single pixel hit MC |
| 2 | p0, i ∧ p0, j ≠ i | 2 | Multiple pixels hit IC |
| 3 | p1, i ∧ p1, j ≠ i | 3 | Multiple pixels hit MC |
Notes. pn, i denotes the ith pixel of the nth SSD. The sum symbol ∑ denotes a chain of logical “or” (∨) operations.
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