SuperKEKB Shift Report

2026/4/19 (Su) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
K.WATANABE --- H.NOGUCHI
T.AOYAMA
--- H.KUMANO
Y.IMAI
Alena Mufazalova

Shift Summary

recorded delivered
Peak luminosity 4.58 x 10 34 cm-2s-1
Integrated luminosity (shift) 1045.7 pb-1 1252.1 pb-1

LER HERBoth DR
Energy 3.979 GeV 6.970 GeV 10.523 GeV 1.1 GeV
Beam current 1421.2 mA 1160.7 mA 28.7 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 0

IP Knob Tuning

02:16 LER HER
r1 (mrad) -5.40 -2.00
r2 (mm) -4.69 6.33
r3 (1/hm) 14.00 0.00
r4 (crad) 5.00 0.00
ηy (mm) -0.22 0.11
ηpy (mrad) -23.63 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 08:01:10