SuperKEKB Shift Report

2026/4/27 (Mo) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
M.YAO Y.OHNISHI Y.KURODA
H.TSUKAHARA
F.MIYAHARA Y.IMAI
K.SUZUKI
Akane Maeda

Shift Summary

recorded delivered
Peak luminosity 2.86 x 10 34 cm-2s-1
Integrated luminosity (shift) 236.0 pb-1 242.0 pb-1
Integrated luminosity (day) 1176.0 pb-1 1314.0 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1205.5 mA 965.1 mA 29.0 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm
100 mm / 3 mm
55 mm / .9 mm
60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 4 3 1

IP Knob Tuning

23:57 LER HER
r1 (mrad) -6.00 0.57
r2 (mm) -4.48 7.00
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.25 -0.01
ηpy (mrad) 10.00 -20.00
waist (mm) 1.25 -0.96
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 04/28/2026 00:01:09