SuperKEKB Shift Report

2026/2/12 (Th) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.OKADA --- H.TSUKAHARA
Y.KURODA
--- T.AOYAMA
Y.IMAI
Chihhan Tseng

Shift Summary

recorded delivered
Peak luminosity 3.97 x 10 34 cm-2s-1
Integrated luminosity (shift) 654.1 pb-1 720.9 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1402.0 mA 1160.1 mA 29.4 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 1 2

IP Knob Tuning

02:02 LER HER
r1 (mrad) -3.50 2.00
r2 (mm) -4.46 -1.60
r3 (1/hm) 160.00 60.00
r4 (crad) 20.00 -1.00
ηy (mm) -0.16 -0.18
ηpy (mrad) 35.00 -3.00
waist (mm) 1.50 -1.05
chromatic r1 (mrad) 0.00 0.00
chromatic r2 (mm) 0.00 -50.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 02/12/2026 08:01:09