SuperKEKB Shift Report

2026/4/19 (Su) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.KOBAYASHI G.MITSUKA MAN.TANAKA
K.YOSHII
T.NATSUI K.HISAZUMI
K.KIMURA
Shunsuke Kurokawa

Shift Summary

recorded delivered
Peak luminosity 4.69 x 10 34 cm-2s-1
Integrated luminosity (shift) 896.4 pb-1 1034.7 pb-1
Integrated luminosity (day) 2967.6 pb-1 3563.5 pb-1

LER HERBoth DR
Energy 3.979 GeV 6.970 GeV 10.523 GeV 1.1 GeV
Beam current 1401.2 mA 1181.1 mA 28.2 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

17:28 LER HER
r1 (mrad) -4.80 -2.00
r2 (mm) -4.72 6.33
r3 (1/hm) 14.00 0.00
r4 (crad) 5.00 0.00
ηy (mm) -0.25 0.11
ηpy (mrad) -15.63 6.00
waist (mm) 1.18 -1.20
chromatic r1 (mrad) 0.00 0.00
chromatic r2 (mm) -50.00 0.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/19/2026 23:40:15