SuperKEKB Shift Report

2026/6/4 (Th) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.OKI S.TERUI MAN.TANAKA
H.NOGUCHI
T.SAKAI T.KUDO
K.KIMURA
Yuka Okada

Shift Summary

recorded delivered
Peak luminosity 4.74 x 10 34 cm-2s-1
Integrated luminosity (shift) 921.5 pb-1 1014.2 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1652.6 mA 1250.8 mA 28.9 mA
No. bunches 2053 2053
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 1 8

IP Knob Tuning

08:57 LER HER
r1 (mrad) -6.80 0.00
r2 (mm) -4.60 6.94
r3 (1/hm) -50.00 -10.00
r4 (crad) -5.00 -13.00
ηy (mm) -0.17 0.11
ηpy (mrad) -8.00 25.00
waist (mm) 1.40 -1.35
chromatic r1 (mrad) 105.00 90.00
chromatic r2 (mm) -30.00 0.00
chromatic r3 (1/m) 1.60 4.00
chromatic r4 (rad) 0.30 2.50
created on 06/04/2026 16:01:11