Updated on March 21, 2026
Operation Log
Past Operation History
Records
- Peak luminosity 5.24 x1034 (cm-2s-1), March. 19, Swing, 2026
- Belle II HV ON
| Parameter | LER | HER | Unit |
|---|
| Beam Current | 1698 | 1359 | mA |
| Number of Bunches | 2249 | |
| Bunch Current | 0.755 | 0.604 | mA |
| Beam-Beam Parameter ξy | 0.036 | 0.025 | |
| Σy* | 0.381 | μm |
| σy* | 0.269 | μm |
| Bunch Length σz | 5.2 | 5.7 | mm |
| Tunes (x/y) | 44.538 / 46.587 | 45.532 / 43.608 | |
| Specific Luminosity (x1031) | 5.1 | cm-2s-1/mA2 |
| Luminosity (x1034) | 5.2 | cm-2s-1
|
| Integrated Luminosity |
Recorded |
Date |
Delivered |
Date |
| Shift (pb-1) |
1158.2 |
March 20, Day, 2026 |
1284.7 |
March 13, Swing, 2026 |
| 1 days (fb-1) |
3.375 |
March 20, 2026 |
3.706 |
March 21, 2026 |
| 7 days (fb-1) |
19.711 |
April 2 - April 8 14, 2026 |
21.750 |
April 2 - April 8, 2026 |
Manual
