SuperKEKB Shift Report

2026/2/4 (We) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
S.ENOMOTO Y.OHSAWA T.MORO
Y.KURODA
S.SHITARA Y.ICHIMURA
Y.IMAI
Justine Serrano

Shift Summary

recorded delivered
Peak luminosity 3.91 x 10 34 cm-2s-1
Integrated luminosity (shift) 591.1 pb-1 643.9 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1502.4 mA 1120.5 mA 29.2 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 1 1

IP Knob Tuning

11:49 LER HER
r1 (mrad) -2.75 2.20
r2 (mm) -4.25 -1.35
r3 (1/hm) 160.00 60.00
r4 (crad) 20.00 -6.00
ηy (mm) -0.18 -0.18
ηpy (mrad) 18.00 -22.00
waist (mm) 1.30 -1.10
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 02/04/2026 16:01:09