SuperKEKB Shift Report

2026/4/1 (We) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
N.IIDA K.AOKI H.NOGUCHI
S.YABUKI
N.IIDA R.OIKAWA
T.KUDO
Andrea Aguirre Polo

Shift Summary

recorded delivered
Peak luminosity 4.52 x 10 34 cm-2s-1
Integrated luminosity (shift) 302.5 pb-1 340.5 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1651.9 mA 1280.3 mA 28.3 mA
No. bunches 2249 2249
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 3 3 7

IP Knob Tuning

09:30 LER HER
r1 (mrad) 1.40 4.50
r2 (mm) -4.55 0.74
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.15 -0.07
ηpy (mrad) 0.00 0.00
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 04/01/2026 16:01:09