SuperKEKB Shift Report

2026/5/31 (Su) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
Y.SEIMIYA M.TAWADA S.YABUKI
K.YOSHII
Y.SEIMIYA K.SUZUKI
K.HISAZUMI
Makoto Takizawa

Shift Summary

recorded delivered
Peak luminosity .09 x 10 34 cm-2s-1
Integrated luminosity (shift) .0 pb-1 .0 pb-1
Integrated luminosity (day) .0 pb-1 .0 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 502.5 mA 288.0 mA 28.8 mA
No. bunches 2053 2053
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
100 mm / 3 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 5 63

IP Knob Tuning

23:59 LER HER
r1 (mrad) 0.00 0.00
r2 (mm) -4.75 0.60
r3 (1/hm) -40.00 0.00
r4 (crad) 15.00 0.00
ηy (mm) -0.26 0.00
ηpy (mrad) -5.00 0.00
waist (mm) 1.30 -1.10
chromatic r1 (mrad) -30.00 0.00
chromatic r2 (mm) -30.00 0.00
chromatic r3 (1/m) 1.60 0.00
chromatic r4 (rad) 0.30 0.00
created on 06/01/2026 00:01:11