SuperKEKB Shift Report

2026/4/27 (Mo) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.SUGIMOTO --- N.TANAKA
S.YABUKI
--- Y.ICHIMURA
K.HISAZUMI
Murad Yasaveev

Shift Summary

recorded delivered
Peak luminosity 4.67 x 10 34 cm-2s-1
Integrated luminosity (shift) 913.5 pb-1 1037.7 pb-1

LER HERBoth DR
Energy 3.979 GeV 6.970 GeV 10.523 GeV 1.1 GeV
Beam current 1601.5 mA 1202.1 mA 28.7 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 2 0

IP Knob Tuning

06:18 LER HER
r1 (mrad) -1.16 3.49
r2 (mm) -4.75 6.40
r3 (1/hm) 10.00 0.00
r4 (crad) 15.00 -20.00
ηy (mm) -0.25 -0.01
ηpy (mrad) 10.00 -15.00
waist (mm) 1.25 -0.96
chromatic r1 (mrad) 30.00 0.00
chromatic r2 (mm) -50.00 20.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/27/2026 08:01:09