Updated on March 21, 2026

How to visit and do reserach work at SuperKEKB

Operation Log

Past Operation History

Records

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* 0.428 μm
σy* 0.303 μm
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 20, 2026
7 days (fb-1) 16.588 March 8 - March 14, 2026 19.814 March 7 - March 13, 2026

Manual