SuperKEKB Shift Report

2026/4/2 (Th) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.KOBAYASHI --- Y.KURODA
T.MORO
--- N.TOYOTOMI
M.BABA
Bjoern Spruck

Shift Summary

recorded delivered
Peak luminosity 4.55 x 10 34 cm-2s-1
Integrated luminosity (shift) 978.9 pb-1 1057.8 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1601.7 mA 1200.7 mA 28.7 mA
No. bunches 2249 2249
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 1 1

IP Knob Tuning

06:26 LER HER
r1 (mrad) 1.60 5.00
r2 (mm) -4.65 0.50
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.17 -0.10
ηpy (mrad) -10.00 -20.00
waist (mm) 1.51 -1.12
chromatic r1 (mrad) 300.00 -140.00
chromatic r2 (mm) -40.00 -24.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/02/2026 08:01:11