SuperKEKB Shift Report

2026/4/4 (Sa) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
S.OGASAWARA H.IKEDA K.YOSHII
S.YABUKI
M.KAWAMURA T.TOUFUKU
K.SUZUKI
Su Xu

Shift Summary

recorded delivered
Peak luminosity 4.42 x 10 34 cm-2s-1
Integrated luminosity (shift) 1084.5 pb-1 1171.5 pb-1
Integrated luminosity (day) 2886.1 pb-1 3138.7 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1602.9 mA 1201.0 mA 28.4 mA
No. bunches 2151 2151
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 0

IP Knob Tuning

18:24 LER HER
r1 (mrad) -2.30 3.50
r2 (mm) -4.75 0.50
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.28 -0.11
ηpy (mrad) -20.00 -30.00
waist (mm) 1.51 -0.92
chromatic r1 (mrad) 260.00 -100.00
chromatic r2 (mm) -40.00 -24.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/05/2026 00:01:10