SuperKEKB Shift Report

2026/4/23 (Th) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
A.MORITA --- MAN.TANAKA
T.MORO
--- R.OIKAWA
H.KUMANO
Dmitry Gavrilov

Shift Summary

recorded delivered
Peak luminosity 4.50 x 10 34 cm-2s-1
Integrated luminosity (shift) 843.5 pb-1 954.0 pb-1

LER HERBoth DR
Energy 3.979 GeV 6.970 GeV 10.523 GeV 1.1 GeV
Beam current 1631.7 mA 1201.5 mA 28.9 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 1 4

IP Knob Tuning

04:05 LER HER
r1 (mrad) -4.60 -1.01
r2 (mm) -4.63 6.33
r3 (1/hm) 14.00 0.00
r4 (crad) 5.00 0.00
ηy (mm) -0.23 0.01
ηpy (mrad) -30.00 5.00
waist (mm) 1.35 -1.00
chromatic r1 (mrad) 0.00 0.00
chromatic r2 (mm) 0.00 -20.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/23/2026 08:01:09