SuperKEKB Shift Report

2026/3/21 (Sa) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
M.TOBIYAMA --- K.YOSHII
N.TANAKA
--- K.KIMURA
K.HISAZUMI
Rahul Tiwary

Shift Summary

recorded delivered
Peak luminosity 4.70 x 10 34 cm-2s-1
Integrated luminosity (shift) 1054.3 pb-1 1203.1 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1603.9 mA 1200.3 mA 29.3 mA
No. bunches 2249 2249
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 1

IP Knob Tuning

02:11 LER HER
r1 (mrad) -1.23 6.30
r2 (mm) -4.60 -1.80
r3 (1/hm) 10.00 0.00
r4 (crad) 5.00 -10.00
ηy (mm) -0.18 -0.24
ηpy (mrad) -5.00 -5.00
waist (mm) 1.34 -1.16
chromatic r1 (mrad) 10.00 85.00
chromatic r2 (mm) -25.00 -20.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 03/21/2026 08:01:10