SuperKEKB Shift Report

2026/5/23 (Sa) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
Y.YAMAMOTO T.UEDA T.SHIRAISHI
T.AOYAMA
M.KAWAMURA T.KUDO
T.TOUFUKU
Fabian Becherer

Shift Summary

recorded delivered
Peak luminosity 4.68 x 10 34 cm-2s-1
Integrated luminosity (shift) 695.0 pb-1 761.3 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1651.8 mA 1201.6 mA 29.3 mA
No. bunches 2151 2151
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 2

IP Knob Tuning

14:59 LER HER
r1 (mrad) -2.50 0.10
r2 (mm) -4.70 6.97
r3 (1/hm) 20.00 0.00
r4 (crad) 5.00 -10.00
ηy (mm) -0.18 0.08
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 7.00
created on 05/23/2026 16:01:11