SuperKEKB Shift Report

2026/5/23 (Sa) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
Y.SEIMIYA X.WANG Y.KURODA
H.NOGUCHI
Y.SEIMIYA M.BABA
Y.MIZUKAWA
Shunsuke Kurokawa

Shift Summary

recorded delivered
Peak luminosity 4.78 x 10 34 cm-2s-1
Integrated luminosity (shift) 1056.7 pb-1 1154.6 pb-1
Integrated luminosity (day) 2741.9 pb-1 2986.9 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1650.6 mA 1201.7 mA 29.2 mA
No. bunches 2151 2151
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 0 1

IP Knob Tuning

21:55 LER HER
r1 (mrad) -0.50 2.60
r2 (mm) -4.57 7.01
r3 (1/hm) 20.00 0.00
r4 (crad) 5.00 -10.00
ηy (mm) -0.28 0.04
ηpy (mrad) -30.00 12.00
waist (mm) 1.25 -1.00
chromatic r1 (mrad) 0.00 -25.00
chromatic r2 (mm) -30.00 15.00
chromatic r3 (1/m) 0.00 7.00
chromatic r4 (rad) 0.00 6.50
created on 05/24/2026 00:01:10