SuperKEKB Shift Report

2026/4/25 (Sa) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
F.ITO --- N.TANAKA
T.MORO
--- Y.ICHIMURA
K.HISAZUMI
Alena Mufazalova

Shift Summary

recorded delivered
Peak luminosity 4.76 x 10 34 cm-2s-1
Integrated luminosity (shift) 1036.6 pb-1 1206.0 pb-1

LER HERBoth DR
Energy 3.979 GeV 6.970 GeV 10.523 GeV 1.1 GeV
Beam current 1632.1 mA 1231.1 mA 29.1 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 1 0

IP Knob Tuning

01:05 LER HER
r1 (mrad) -2.50 3.50
r2 (mm) -4.82 6.30
r3 (1/hm) 14.00 0.00
r4 (crad) 5.00 0.00
ηy (mm) -0.24 -0.01
ηpy (mrad) -45.00 10.00
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 04/25/2026 08:01:10