SuperKEKB Shift Report

2026/6/4 (Th) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
Y.OHNISHI T.ISHIBASHI S.YABUKI
T.AOYAMA
H.EGO K.HISAZUMI
K.SUZUKI
Yuka Okada

Shift Summary

recorded delivered
Peak luminosity 4.69 x 10 34 cm-2s-1
Integrated luminosity (shift) 1006.1 pb-1 1165.2 pb-1
Integrated luminosity (day) 2848.3 pb-1 3211.2 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1652.9 mA 1250.6 mA 28.9 mA
No. bunches 2053 2053
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 1

IP Knob Tuning

23:48 LER HER
r1 (mrad) -3.80 0.00
r2 (mm) -4.70 6.94
r3 (1/hm) -50.00 -10.00
r4 (crad) -5.00 -13.00
ηy (mm) -0.20 0.11
ηpy (mrad) -20.00 25.00
waist (mm) 1.40 -1.35
chromatic r1 (mrad) 25.00 90.00
chromatic r2 (mm) -70.00 0.00
chromatic r3 (1/m) 1.60 4.00
chromatic r4 (rad) 0.30 2.50
created on 06/04/2026 23:50:11