SuperKEKB Shift Report

2026/5/21 (Th) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.OKADA --- T.MORO
K.YOSHII
--- R.OIKAWA
K.HISAZUMI
Michele Veronesi

Shift Summary

recorded delivered
Peak luminosity 5.05 x 10 34 cm-2s-1
Integrated luminosity (shift) 888.3 pb-1 1020.3 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1601.0 mA 1200.8 mA 28.4 mA
No. bunches 2151 2151
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 2 0

IP Knob Tuning

07:01 LER HER
r1 (mrad) -2.50 -0.50
r2 (mm) -4.65 7.02
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.26 0.01
ηpy (mrad) 0.00 10.00
waist (mm) 1.20 -1.15
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 05/21/2026 08:01:11