SuperKEKB Shift Report

2026/5/17 (Su) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
M.TOBIYAMA M.MASUZAWA Y.KURODA
H.NOGUCHI
Y.OKAYASU S.USHIMOTO
Y.MIZUKAWA
Lennard Damer

Shift Summary

recorded delivered
Peak luminosity 5.04 x 10 34 cm-2s-1
Integrated luminosity (shift) 642.5 pb-1 757.4 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1600.8 mA 1200.7 mA 29.0 mA
No. bunches 2151 2151
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 2 1

IP Knob Tuning

15:22 LER HER
r1 (mrad) -2.20 3.50
r2 (mm) -4.58 6.70
r3 (1/hm) 15.00 -100.00
r4 (crad) 2.00 -20.00
ηy (mm) -0.13 0.02
ηpy (mrad) 25.00 17.40
waist (mm) 1.30 -1.20
chromatic r1 (mrad) 180.00 110.00
chromatic r2 (mm) -40.00 30.00
chromatic r3 (1/m) 2.00 0.00
chromatic r4 (rad) 1.00 3.00
created on 05/17/2026 16:01:10