SuperKEKB Shift Report

2026/5/20 (We) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
S.IWABUCHI --- T.MORO
T.AOYAMA
--- R.OIKAWA
K.HISAZUMI
Shinnosuke Kato

Shift Summary

recorded delivered
Peak luminosity 4.97 x 10 34 cm-2s-1
Integrated luminosity (shift) 852.2 pb-1 958.3 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1601.8 mA 1240.5 mA 28.7 mA
No. bunches 2151 2151
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 2

IP Knob Tuning

02:48 LER HER
r1 (mrad) -3.28 1.25
r2 (mm) -4.60 6.77
r3 (1/hm) 15.00 -40.00
r4 (crad) 2.00 -20.00
ηy (mm) -0.08 0.00
ηpy (mrad) -20.00 20.00
waist (mm) 1.45 -1.15
chromatic r1 (mrad) 100.00 150.00
chromatic r2 (mm) -40.00 30.00
chromatic r3 (1/m) 2.00 0.00
chromatic r4 (rad) 1.00 3.00
created on 05/20/2026 08:01:10