SuperKEKB Shift Report

2026/2/7 (Sa) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
M.NISHIWAKI M.MASUZAWA S.YABUKI
Y.KURODA
H.EGO K.SUZUKI
K.HISAZUMI
Aurelien Martens

Shift Summary

recorded delivered
Peak luminosity 3.59 x 10 34 cm-2s-1
Integrated luminosity (shift) 823.9 pb-1 925.2 pb-1
Integrated luminosity (day) 2232.6 pb-1 2513.9 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1401.3 mA 1040.9 mA 29.3 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 1

IP Knob Tuning

16:21 LER HER
r1 (mrad) -3.50 3.70
r2 (mm) -4.34 -1.20
r3 (1/hm) 160.00 60.00
r4 (crad) 20.00 -6.00
ηy (mm) -0.22 -0.12
ηpy (mrad) 40.00 -38.00
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 02/08/2026 00:01:10