SuperKEKB Shift Report

2026/5/29 (Fr) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
F.MIYAHARA M.TOBIYAMA S.YABUKI
H.NOGUCHI
F.MIYAHARA K.SUZUKI
K.KIMURA
Ryota Ishii

Shift Summary

recorded delivered
Peak luminosity 5.02 x 10 34 cm-2s-1
Integrated luminosity (shift) 567.7 pb-1 647.8 pb-1
Integrated luminosity (day) 2500.5 pb-1 2881.6 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1651.9 mA 1201.4 mA 28.6 mA
No. bunches 2053 2053
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
55.0 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 25

IP Knob Tuning

23:58 LER HER
r1 (mrad) 1.95 4.66
r2 (mm) -4.63 6.78
r3 (1/hm) -40.00 -20.00
r4 (crad) 15.00 -22.00
ηy (mm) -0.23 0.06
ηpy (mrad) -5.00 27.97
waist (mm) 1.25 -0.96
chromatic r1 (mrad) -10.00 210.00
chromatic r2 (mm) -18.00 1.00
chromatic r3 (1/m) 1.60 7.00
chromatic r4 (rad) 0.30 6.50
created on 05/30/2026 00:01:09