SuperKEKB Shift Report

2025/12/4 (Th) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.ISHIBASHI N.AKITA T.MORO
H.NOGUCHI
D.WANG T.HIRANO
Y.IMAI
Dmytro Meleshko

Shift Summary

recorded delivered
Peak luminosity 1.71 x 10 34 cm-2s-1
Integrated luminosity (shift) 183.5 pb-1 218.4 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1100.7 mA 880.3 mA 12.3 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 1 0

IP Knob Tuning

15:32 LER HER
r1 (mrad) -1.50 -4.30
r2 (mm) -4.50 -1.10
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) 0.00 0.00
ηpy (mrad) 75.00 0.00
waist (mm) 2.00 -1.80
chromatic r1 (mrad) 0.00 0.00
chromatic r2 (mm) 0.00 0.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 12/04/2025 16:01:10