SuperKEKB Shift Report

2026/5/2 (Sa) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
M.TOBIYAMA S.NAKAMURA K.YOSHII
S.YABUKI
T.NATSUI K.SUZUKI
Y.IMAI
Katsuro Nakamura

Shift Summary

recorded delivered
Peak luminosity 4.36 x 10 34 cm-2s-1
Integrated luminosity (shift) 971.3 pb-1 1176.4 pb-1
Integrated luminosity (day) 2503.8 pb-1 3141.0 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1526.2 mA 1200.9 mA 28.3 mA
No. bunches 2346 2346
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 0

IP Knob Tuning

23:57 LER HER
r1 (mrad) -1.05 -1.52
r2 (mm) -4.50 7.00
r3 (1/hm) 50.00 0.00
r4 (crad) 0.00 -35.00
ηy (mm) -0.16 0.04
ηpy (mrad) -48.00 -6.00
waist (mm) 1.39 -1.05
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 05/03/2026 00:01:09