draft: constants for reconstruction with mitigated drift
see https://gitlab.cern.ch/lhcb/opg/-/issues/78#note_7902886
| Tx [mm] | Ty [mm] | Tz [mm] | Rx [rad] | Ry [rad] | Rz [rad] | |
|---|---|---|---|---|---|---|
| after closing | -0.085 | -0.392 | 0.55 | -0.00011 | 0.00021 | 0.00083 |
| mitigated drift | 0.0025 | -0.0025 | -0.004 | 0 | 0.0000045 | -0.00002 |
| MC constants mitigated drift = after closing + mitigated drift | -0.0825 | -0.3945 | 0.546 | -0.00011 | 0.0002145 | 0.00081 |