SuperKEKB Shift Report

2026/5/20 (We) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
--- K.AOKI S.YABUKI
Y.KURODA
T.MATSUMOTO T.KUDO
Y.MIZUKAWA
Michele Veronesi

Shift Summary

recorded delivered
Peak luminosity 4.32 x 10 34 cm-2s-1
Integrated luminosity (shift) 26.9 pb-1 33.4 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1415.1 mA 1172.4 mA .1 mA
No. bunches 2151 2151
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 1 0

IP Knob Tuning

08:00 LER HER
r1 (mrad) -3.28 1.25
r2 (mm) -4.60 6.77
r3 (1/hm) 15.00 -40.00
r4 (crad) 2.00 -20.00
ηy (mm) -0.08 0.00
ηpy (mrad) -20.00 20.00
waist (mm) 1.45 -1.15
chromatic r1 (mrad) 100.00 150.00
chromatic r2 (mm) -40.00 30.00
chromatic r3 (1/m) 2.00 0.00
chromatic r4 (rad) 1.00 3.00
created on 05/20/2026 16:01:10