Updated on June 30, 2026

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Operation Log

Past Operation History

Records

Parameter LER HER Unit
Beam Current 1599 1198 mA
Number of Bunches 1990
Bunch Current 0.803 0.602 mA
Emittance εx 4.0 4.6 nm
Beta Function βx/y* at IP 55 /0.9 55 /0.9 mm
Beam-Beam Parameter ξy 0.035 0.026
Σy* 0.351 μm
σy* 0.248 μm
Bunch Length σz 5.3 5.7 mm
Tunes (x/y) 44.538 / 46.585 45.530 / 43.606
Specific Luminosity (x1031) 5.53 cm-2s-1/mA2
Luminosity (x1034) 5.32 cm-2s-1
Parameter LER HER Unit
Beam Current 1590 1244 mA
Number of Bunches 2053
Bunch Current 0.775 0.606 mA
Emittance εx 4.0 4.6 nm
Beta Function βx/y* at IP 55 /0.9 55 /0.9 mm
Beam-Beam Parameter ξy 0.034 0.025
Σy* 0.355 μm
σy* 0.251 μm
Bunch Length σz 5.3 5.7 mm
Tunes (x/y) 44.538 / 46.585 45.531 / 43.607
Specific Luminosity (x1031) 5.48 cm-2s-1/mA2
Luminosity (x1034) 5.28 cm-2s-1
Integrated Luminosity Recorded Date Delivered Date
Shift (pb-1) 1249.2 May 27, Day, 2026 1368.5 May 27, Day, 2026
1 days (fb-1) 3.499 May 27, 2026 3.948 June 8, 2026
7 days (fb-1) 21.797 May 22 - May 28, 2026 24.206 June 2 - June 8, 2026

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