SuperKEKB Shift Report

2026/5/22 (Fr) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
Y.OHNISHI K.SHIBATA T.ISHIHARA
Y.KURODA
T.NATSUI M.BABA
Y.MIZUKAWA
Marcela Garcia

Shift Summary

recorded delivered
Peak luminosity 4.99 x 10 34 cm-2s-1
Integrated luminosity (shift) 1215.1 pb-1 1316.0 pb-1
Integrated luminosity (day) 2828.2 pb-1 3109.1 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1651.8 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

19:48 LER HER
r1 (mrad) -2.50 -0.50
r2 (mm) -4.60 7.07
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.18 0.02
ηpy (mrad) -40.00 2.00
waist (mm) 1.30 -1.00
chromatic r1 (mrad) 0.00 0.00
chromatic r2 (mm) -30.00 0.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 05/23/2026 00:01:11