SuperKEKB Shift Report

2026/4/9 (Th) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.KAJI H.SAKAI H.NOGUCHI
T.MORO
X.ZHOU R.OIKAWA
K.SUZUKI
Matthaeus Krein

Shift Summary

recorded delivered
Peak luminosity 4.45 x 10 34 cm-2s-1
Integrated luminosity (shift) 650.2 pb-1 739.0 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1621.1 mA 1220.6 mA 27.7 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 4

IP Knob Tuning

15:21 LER HER
r1 (mrad) 0.00 3.50
r2 (mm) -4.57 0.55
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.14 -0.12
ηpy (mrad) -20.00 0.00
waist (mm) 1.11 -1.25
chromatic r1 (mrad) 20.00 0.00
chromatic r2 (mm) -0.10 0.10
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/09/2026 16:01:13