SuperKEKB Shift Report

2026/2/4 (We) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
N.IIDA M.TOBIYAMA H.TSUKAHARA
H.NOGUCHI
N.IIDA Y.MIZUKAWA
K.HISAZUMI
Riku Takizawa

Shift Summary

recorded delivered
Peak luminosity 3.82 x 10 34 cm-2s-1
Integrated luminosity (shift) 383.2 pb-1 494.0 pb-1
Integrated luminosity (day) 1606.5 pb-1 1877.6 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1350.6 mA 1080.6 mA 28.7 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 1 3

IP Knob Tuning

22:54 LER HER
r1 (mrad) -1.46 1.90
r2 (mm) -4.36 -1.42
r3 (1/hm) 160.00 60.00
r4 (crad) 20.00 -6.00
ηy (mm) -0.22 -0.18
ηpy (mrad) 38.00 -22.00
waist (mm) 1.30 -1.10
chromatic r1 (mrad) 0.00 20.00
chromatic r2 (mm) 0.00 -150.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 -3.00
created on 02/05/2026 00:01:10