SuperKEKB Shift Report

2026/4/8 (We) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.NAKAYAMA Y.OHSAWA H.NOGUCHI
T.MORO
S.MATSUMOTO R.OIKAWA
Y.MIZUKAWA
Matthaeus Krein

Shift Summary

recorded delivered
Peak luminosity 4.15 x 10 34 cm-2s-1
Integrated luminosity (shift) 827.3 pb-1 876.7 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1623.6 mA 1221.5 mA 28.2 mA
No. bunches 2151 2151
Beta at IP 60 mm / 1 mm
60.0 mm / 1 mm
60 mm / 1 mm
60.0 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 2 0 2

IP Knob Tuning

08:01 LER HER
r1 (mrad) -4.00 6.61
r2 (mm) -4.64 0.62
r3 (1/hm) 0.00 -30.00
r4 (crad) 0.00 0.00
ηy (mm) -0.21 -0.06
ηpy (mrad) -30.00 2.66
waist (mm) 1.51 -1.05
chromatic r1 (mrad) 260.00 -100.00
chromatic r2 (mm) -20.00 -24.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/08/2026 16:01:11