SuperKEKB Shift Report

2026/5/1 (Fr) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
OUMBAREK ESPINOS N.TANAKA
T.MORO
M.SATOH R.OIKAWA
T.KUDO
Tak-Shun Lau

Shift Summary

recorded delivered
Peak luminosity 4.11 x 10 34 cm-2s-1
Integrated luminosity (shift) 329.3 pb-1 742.2 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1602.0 mA 1200.7 mA 29.1 mA
No. bunches 2346 2346
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 1 1

IP Knob Tuning

09:24 LER HER
r1 (mrad) -3.00 -3.00
r2 (mm) -4.60 6.90
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.08 0.00
ηpy (mrad) -30.00 -20.00
waist (mm) 1.31 -1.10
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 05/01/2026 16:01:12