SuperKEKB Shift Report

2026/4/25 (Sa) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.OKADA Y.OHSAWA MI.TANAKA
T.AOYAMA
T.UGAJIN T.KUDO
K.SUZUKI
Yu Nakazawa

Shift Summary

recorded delivered
Peak luminosity 4.50 x 10 34 cm-2s-1
Integrated luminosity (shift) 1037.5 pb-1 1170.3 pb-1

LER HERBoth DR
Energy 3.979 GeV 6.970 GeV 10.523 GeV 1.1 GeV
Beam current 1602.1 mA 1202.0 mA 29.1 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 1

IP Knob Tuning

14:21 LER HER
r1 (mrad) -1.15 3.50
r2 (mm) -4.96 6.40
r3 (1/hm) 20.00 0.00
r4 (crad) 30.00 -20.00
ηy (mm) -0.24 -0.01
ηpy (mrad) -45.00 10.00
waist (mm) 1.15 -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 04/25/2026 16:01:10