SuperKEKB Shift Report

2026/2/19 (Th) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.KAJI T.UEDA H.TSUKAHARA
Y.KURODA
D.WANG T.AOYAMA
Y.IMAI
Dmytro Meleshko

Shift Summary

recorded delivered
Peak luminosity 4.01 x 10 34 cm-2s-1
Integrated luminosity (shift) 750.8 pb-1 863.3 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1650.2 mA 1099.5 mA 28.3 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 3 1

IP Knob Tuning

10:43 LER HER
r1 (mrad) 0.00 8.60
r2 (mm) -4.60 -1.42
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.20 -0.15
ηpy (mrad) -20.00 0.00
waist (mm) 1.25 -0.95
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 02/19/2026 16:01:10