SuperKEKB Shift Report

2026/2/19 (Th) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
K.MATSUOKA S.ENOMOTO T.ISHIHARA
N.TANAKA
M.YOSHIDA M.BABA
K.SUZUKI
Priyanka Cheema

Shift Summary

recorded delivered
Peak luminosity 4.50 x 10 34 cm-2s-1
Integrated luminosity (shift) 610.7 pb-1 774.0 pb-1
Integrated luminosity (day) 2126.7 pb-1 2501.3 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1601.5 mA 1235.3 mA 28.6 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 21 2

IP Knob Tuning

23:31 LER HER
r1 (mrad) 0.00 8.60
r2 (mm) -4.40 -1.52
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.24 -0.15
ηpy (mrad) -20.00 0.00
waist (mm) 1.25 -0.95
chromatic r1 (mrad) 0.00 0.00
chromatic r2 (mm) 0.00 0.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 02/20/2026 00:01:10