SuperKEKB Shift Report

2026/5/15 (Fr) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.KAJI T.NAGASAKI T.MORO
H.NOGUCHI
R.ZHANG R.OIKAWA
K.KIMURA
Chihhan Tseng

Shift Summary

recorded delivered
Peak luminosity 4.93 x 10 34 cm-2s-1
Integrated luminosity (shift) 1113.4 pb-1 1258.6 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1602.4 mA 1200.8 mA 29.3 mA
No. bunches 2151 2151
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 0

IP Knob Tuning

12:32 LER HER
r1 (mrad) 0.00 4.40
r2 (mm) -4.55 6.90
r3 (1/hm) 10.00 -100.00
r4 (crad) 2.00 -20.00
ηy (mm) -0.18 -0.01
ηpy (mrad) -10.00 15.00
waist (mm) 1.32 -1.25
chromatic r1 (mrad) 180.00 20.00
chromatic r2 (mm) -40.00 -10.00
chromatic r3 (1/m) 2.00 30.00
chromatic r4 (rad) 1.00 3.00
created on 05/15/2026 16:01:10