Updated on October 1
Schedule
October 9 (We): MR Operation Start
Maintenance
Dates |
Remarks |
October 30 |
regular |
November 27 |
regular |
Past Operation History
Records
- Peak luminosity 4.65 x1034 (cm-2s-1), June 8, swing, 2022
- Belle II HV ON
Parameter | LER | HER | Unit |
Beam Current | 1321 | 1099 | mA |
Number of Bunches | 2249 | |
Bunch Current | 0.587 | 0.489 | mA |
Beam-Beam Parameter ξy | 0.0407 | 0.0279 | |
Σy* | 0.303 | μm |
σy* | 0.215 | μm |
Tunes (x/y) | 44.525 / 46.589 | 45.532 / 43.573 | |
Specific Luminosity (x1031) | 7.21 | cm-2s-1/mA2 |
Luminosity (x1034) | 4.65 | cm-2s-1
|
- Peak luminosity 4.71 x1034 (cm-2s-1), June 22, day, 2022
- Belle II HV OFF
Parameter | LER | HER | Unit |
Beam Current | 1363 | 1118 | mA |
Number of Bunches | 2249 | |
Bunch Current | 0.606 | 0.497 | mA |
Beam-Beam Parameter ξy | 0.0398 | 0.0278 | |
Σy* | 0.315 | μm |
σy* | 0.223 | μm |
Tunes (x/y) | 44.524 / 46.594 | 45.532 / 43.574 | |
Specific Luminosity (x1031) | 6.95 | cm-2s-1/mA2 |
Luminosity (x1034) | 4.71 | cm-2s-1
|
Integrated Luminosity |
Recorded |
Date |
Delivered |
Date |
Shift (pb-1) |
958.1 |
April 24, Swing, 2022 |
1035.9 |
April 22, Swing, 2022 |
1 days (fb-1) |
2.503 |
April 22, 2022 |
2.912 |
June 11, 2022 |
7 days (fb-1) |
15.001 |
April 18 - April 24, 2022 |
16.599 |
April 18 - April 24, 2022 |