SuperKEKB Shift Report

2026/4/17 (Fr) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.SUGIMURA S.TERUI MAN.TANAKA
S.YABUKI
I.SATAKE R.OIKAWA
Y.MIZUKAWA
Su Xu

Shift Summary

recorded delivered
Peak luminosity 4.28 x 10 34 cm-2s-1
Integrated luminosity (shift) 889.7 pb-1 1058.1 pb-1

LER HERBoth DR
Energy 3.979 GeV 6.970 GeV 10.523 GeV 1.1 GeV
Beam current 1350.8 mA 1120.4 mA 28.9 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 0

IP Knob Tuning

14:46 LER HER
r1 (mrad) -4.60 -1.24
r2 (mm) -4.69 6.45
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.23 0.05
ηpy (mrad) -3.63 2.90
waist (mm) 1.18 -1.20
chromatic r1 (mrad) 0.00 0.00
chromatic r2 (mm) -50.00 0.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/17/2026 16:01:11