SuperKEKB Shift Report

2026/4/28 (Tu) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
N.AKITA --- Y.KURODA
H.TSUKAHARA
T.MATSUMOTO Y.IMAI
K.SUZUKI
Takahiro Nemoto

Shift Summary

recorded delivered
Peak luminosity 4.32 x 10 34 cm-2s-1
Integrated luminosity (shift) 515.6 pb-1 660.2 pb-1
Integrated luminosity (day) 1462.5 pb-1 1718.7 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1563.1 mA 1198.1 mA 28.8 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 0 4

IP Knob Tuning

22:42 LER HER
r1 (mrad) -2.17 0.84
r2 (mm) -4.51 7.11
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.19 0.01
ηpy (mrad) 9.96 -20.00
waist (mm) 1.35 -1.11
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 04/29/2026 00:01:12