SuperKEKB Shift Report

2026/5/21 (Th) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.OKI S.TERUI S.YABUKI
H.NOGUCHI
S.MATSUMOTO Y.IMAI
K.SUZUKI
Michele Veronesi

Shift Summary

recorded delivered
Peak luminosity 5.03 x 10 34 cm-2s-1
Integrated luminosity (shift) 1164.1 pb-1 1296.2 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1651.8 mA 1200.6 mA 29.0 mA
No. bunches 2151 2151
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 0

IP Knob Tuning

08:00 LER HER
r1 (mrad) -2.50 0.30
r2 (mm) -4.65 7.02
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.26 0.01
ηpy (mrad) 0.00 0.00
waist (mm) 1.20 -1.15
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 05/21/2026 16:01:11