SuperKEKB Shift Report

2026/2/6 (Fr) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
S.YOSHIMOTO --- T.ISHIHARA
H.NOGUCHI
--- R.OIKAWA
H.KUMANO
Hideyuki Nakazawa

Shift Summary

recorded delivered
Peak luminosity 4.08 x 10 34 cm-2s-1
Integrated luminosity (shift) 686.6 pb-1 854.0 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1450.3 mA 1160.2 mA 28.4 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 2

IP Knob Tuning

07:55 LER HER
r1 (mrad) -2.80 2.30
r2 (mm) -4.36 -1.52
r3 (1/hm) 160.00 60.00
r4 (crad) 20.00 -6.00
ηy (mm) -0.22 -0.16
ηpy (mrad) 38.00 -27.00
waist (mm) 1.50 -1.05
chromatic r1 (mrad) 0.00 20.00
chromatic r2 (mm) 0.00 -150.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 -3.00
created on 02/06/2026 08:01:10