SuperKEKB Shift Report

2026/4/4 (Sa) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
Y.YAMAMOTO M.MASUZAWA MI.TANAKA
T.AOYAMA
H.KATAGIRI H.KUMANO
Y.MIZUKAWA
Andrea Aguirre Polo

Shift Summary

recorded delivered
Peak luminosity 4.37 x 10 34 cm-2s-1
Integrated luminosity (shift) 864.7 pb-1 932.3 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1602.9 mA 1201.1 mA 28.6 mA
No. bunches 2151 2151
Beta at IP 60 mm / 1 mm .0 mm / 1 mm
59.9 mm / 1 mm
59.9 mm / 1 mm
60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 1 2

IP Knob Tuning

09:31 LER HER
r1 (mrad) -2.00 3.00
r2 (mm) -4.64 0.40
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.28 -0.05
ηpy (mrad) -20.00 -9.99
waist (mm) 1.51 -0.92
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 04/04/2026 16:01:11