SuperKEKB Shift Report

2026/4/1 (We) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
F.ITO X.WANG N.TANAKA
H.TSUKAHARA
T.MATSUMOTO K.HISAZUMI
Y.MIZUKAWA
Yuka Okada

Shift Summary

recorded delivered
Peak luminosity 4.60 x 10 34 cm-2s-1
Integrated luminosity (shift) 941.9 pb-1 1013.1 pb-1
Integrated luminosity (day) 1961.3 pb-1 2131.2 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1601.4 mA 1200.8 mA 28.6 mA
No. bunches 2249 2249
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 2 1

IP Knob Tuning

20:31 LER HER
r1 (mrad) 1.60 5.00
r2 (mm) -4.65 0.50
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.15 -0.10
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 04/02/2026 00:01:10