SuperKEKB Shift Report

2026/5/27 (We) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.IKEDA --- T.ISHIHARA
K.YOSHII
--- Y.ICHIMURA
N.TOYOTOMI
Fabian Becherer

Shift Summary

recorded delivered
Peak luminosity 5.02 x 10 34 cm-2s-1
Integrated luminosity (shift) 1131.4 pb-1 1217.9 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1651.1 mA 1201.2 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 1 1

IP Knob Tuning

01:35 LER HER
r1 (mrad) 0.60 3.50
r2 (mm) -4.63 6.98
r3 (1/hm) -40.00 -20.00
r4 (crad) 15.00 -22.00
ηy (mm) -0.20 0.06
ηpy (mrad) 10.00 27.97
waist (mm) 1.25 -1.20
chromatic r1 (mrad) -10.00 210.00
chromatic r2 (mm) -18.00 1.00
chromatic r3 (1/m) 1.60 7.00
chromatic r4 (rad) 0.30 6.50
created on 05/27/2026 08:01:15