Parameters of the DIPOLES
H shape, parallel faces
| Number: Storage ring / prototype | 32 + 1 (reference) / 1 |
| Magnetic length (m) | 1.052433 |
| Gap (mm) | 37 |
| Bending radius (m) | 5.360 |
| Nominal; maximum field (T) | 1.7114; 1.75 |
| Horizontal good field region around curved trajectory (mm) | ± 20 |
|
Tolerances: |
1 10-3 5 10-4 ; 2 10-4 |
|
Homogeneity (Δ∫Bdl/∫Bdl) @ x = 20 mm: |
Tolerances | Design* |
| 4-poles | + 1.7 10-4 | |
| 6-poles | ± 5 10-4 | - 3.7 10-4 |
| 8-poles | - 4.1 10-5 | |
| 10-poles | ± 2 10-4 | - 9.6 10-5 |
| 12-poles | - 5.7 10-5 | |
| 14-poles | - 4.3 10-5 |
* Calculated around curved trajectory after shifting the dipole axis in x-direction by half the sagitta (12.905mm)
Parameters of the QUADRUPOLES
|
Total number (short + long) / prototypes / spares |
160 (128 +32) / 2 / 2 |
| Magnetic length (m): short; long | 0.32; 0.46 |
| Bore diameter (mm) | 66.0 |
| Max. Gradient (nominal point) G (T. m-1): short; long | 20; 23 |
| Good field region (mm): H / V | ± 35 / ± 12.5 |
| Number of families | 10 |
|
Tolerances : |
1 10-3 |
| Homogeneity (Δ∫Bdl/∫Bdl) @ x = 30 mm: | Tolerances | Design (short) | Design (long) |
| 12-poles* | 5.4 10-4 | + 0.2 10-4 | - 0.8 10-4 |
| 20-poles | 2.9 10-4 | + 1.4 10-4 | + 1.8 10-4 |
| 28-poles | 1.6 10-4 |
* Cancelled using 45° chamfer : 4.4mm width for short quadrupoles and 4.6mm width for long quadrupoles
Parameters of the SEXTUPOLES and CORRECTORS
|
Number: compact / with ears for photon beamline / prototypes/spares |
88 / 32 / 2 / 2 |
| Magnetic length (m) | 0.16 |
| Bore diameter (mm) | 73 |
| Good field region (mm) : H / V | ± 35 / ± 12.5 |
| Number of families | 10 |
| Max. Strength: S (T.m-2) (main field) | 320 |
| Max. Field (T) for Dipolar correctors: Horizontal / Vertical | 0.046 / 0.035 |
| Max. gradient (T. m-1) for Skew Quadrupoles | 0.126 |
| Tolerances: Reproducibility from magnet to magnet (Δ∫Bdl/∫Bdl) (main field) Alignment on the girder : sX = sZ (m) ; sqS (rad) Alignment of the girder : sX = sZ (m) ; sqS (rad) |
1. 10-2 |
| Homogeneity (Δ∫Bdl/∫Bdl) @ x = 32 mm: | ||
|
Sextupolar main field |
Tolerances | Design |
| 18-poles | ± 3 10-3 | - 3.5 10-4 (après optimisation du chanfrein) |
| 30-poles | ± 1.7 10-3 | - 7.5 10-4 |
| 42-poles | ± 1.0 10-2 | - 2.1 10-3 |
| 54-poles | ± 3.10-3 | 7. 10-5 |
| H corrector field | ||
| 10-poles | + 0.30 | |
| 14-poles | + 0.036 | |
| 22-poles | - 0.015 | |
| V corrector field | ||
| Skew 10-poles | - 0.30 | |
| Skew 14-poles | + 0.036 | |
| Skew 22-poles | + 0.015 | |
| Skew quadrupole field | ||
| Skew 8-poles | - 0.57 | |
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All the calculations were done with TOSCA 3D code.
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Some of them were done with RADIA code