SuperKEKB Shift Report

2026/2/20 (Fr) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.SUGIMURA T.NAKAMURA H.TSUKAHARA
Y.KURODA
H.EGO R.OIKAWA
Y.MIZUKAWA
Priyanka Cheema

Shift Summary

recorded delivered
Peak luminosity 4.44 x 10 34 cm-2s-1
Integrated luminosity (shift) 643.0 pb-1 752.2 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1550.6 mA 1239.8 mA 28.8 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 2 1 2

IP Knob Tuning

15:52 LER HER
r1 (mrad) 3.00 8.60
r2 (mm) -4.40 -1.52
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.24 -0.15
ηpy (mrad) -20.00 -5.00
waist (mm) 1.55 -1.20
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 02/20/2026 16:01:10