SuperKEKB Shift Report

2026/5/11 (Mo) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.ISHIBASHI M.SHIRAI T.MORO
H.NOGUCHI
H.EGO R.OIKAWA
T.KUDO
Yuka Okada

Shift Summary

recorded delivered
Peak luminosity 4.54 x 10 34 cm-2s-1
Integrated luminosity (shift) 499.5 pb-1 547.3 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1582.3 mA 1270.4 mA 28.3 mA
No. bunches 2346 2346
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 0 3

IP Knob Tuning

15:59 LER HER
r1 (mrad) -0.50 0.90
r2 (mm) -4.58 6.95
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.24 0.05
ηpy (mrad) -35.00 16.90
waist (mm) 1.25 -1.30
chromatic r1 (mrad) -60.00 100.00
chromatic r2 (mm) -50.00 -35.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 05/11/2026 16:01:09