SuperKEKB Shift Report

2026/4/9 (Th) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
R.UEKI --- K.YOSHII
H.TSUKAHARA
--- Y.ICHIMURA
K.HISAZUMI
Mikhail Remnev

Shift Summary

recorded delivered
Peak luminosity 4.38 x 10 34 cm-2s-1
Integrated luminosity (shift) 649.8 pb-1 707.6 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1621.4 mA 1220.7 mA 28.0 mA
No. bunches 2151 2151
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 2

IP Knob Tuning

01:30 LER HER
r1 (mrad) -1.40 3.00
r2 (mm) -4.66 0.70
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.13 -0.10
ηpy (mrad) -20.00 0.00
waist (mm) 1.51 -1.05
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 04/09/2026 08:01:09