SuperKEKB Shift Report

2026/4/2 (Th) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.OKI S.TERUI H.NOGUCHI
T.AOYAMA
M.SAKAMOTO R.OIKAWA
K.KIMURA
Andrea Aguirre Polo

Shift Summary

recorded delivered
Peak luminosity 4.64 x 10 34 cm-2s-1
Integrated luminosity (shift) 857.3 pb-1 917.0 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1602.0 mA 1200.6 mA 28.5 mA
No. bunches 2151 2151
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 0

IP Knob Tuning

11:51 LER HER
r1 (mrad) 1.20 5.00
r2 (mm) -4.65 0.50
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.12 -0.10
ηpy (mrad) -19.91 -20.00
waist (mm) 1.51 -1.12
chromatic r1 (mrad) 300.00 -140.00
chromatic r2 (mm) -40.00 -24.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/02/2026 16:01:13