SuperKEKB Shift Report

2026/4/27 (Mo) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
R.UEKI M.FURUSAWA H.NOGUCHI
T.MORO
T.NATSUI R.OIKAWA
Y.MIZUKAWA
Bjoern Spruck

Shift Summary

recorded delivered
Peak luminosity 4.52 x 10 34 cm-2s-1
Integrated luminosity (shift) 16.0 pb-1 22.4 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1598.4 mA 1199.6 mA 28.4 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm
100 mm / 3 mm
200 mm / 8 mm
60 mm / 1 mm
100 mm / 3 mm
200 mm / 8 mm
Crab Waist Ratio 80 % 60 %
Aborts 10 6 5

IP Knob Tuning

08:01 LER HER
r1 (mrad) -1.16 3.49
r2 (mm) -4.75 6.40
r3 (1/hm) 10.00 0.00
r4 (crad) 15.00 -20.00
ηy (mm) -0.25 -0.01
ηpy (mrad) 10.00 -15.00
waist (mm) 1.25 -0.96
chromatic r1 (mrad) 30.00 0.00
chromatic r2 (mm) -50.00 20.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/27/2026 16:01:09