SuperKEKB Shift Report

2026/4/21 (Tu) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.IKEDA --- T.AOYAMA
T.MORO
--- R.OIKAWA
H.KUMANO
Roberta Volpe

Shift Summary

recorded delivered
Peak luminosity 4.28 x 10 34 cm-2s-1
Integrated luminosity (shift) 955.5 pb-1 1112.3 pb-1

LER HERBoth DR
Energy 3.979 GeV 6.970 GeV 10.523 GeV 1.1 GeV
Beam current 1601.8 mA 1201.6 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

06:13 LER HER
r1 (mrad) -3.30 0.20
r2 (mm) -4.60 6.30
r3 (1/hm) 14.00 0.00
r4 (crad) 5.00 0.00
ηy (mm) -0.07 0.03
ηpy (mrad) 0.00 -14.00
waist (mm) 1.18 -1.20
chromatic r1 (mrad) 0.00 0.00
chromatic r2 (mm) 0.00 0.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/21/2026 08:01:09