SuperKEKB Shift Report

2026/4/10 (Fr) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
M.YAO M.TOBIYAMA T.AOYAMA
T.ISHIHARA
D.WANG H.KUMANO
K.KIMURA
Hideyuki Nakazawa

Shift Summary

recorded delivered
Peak luminosity 4.69 x 10 34 cm-2s-1
Integrated luminosity (shift) 668.8 pb-1 828.9 pb-1
Integrated luminosity (day) 2448.8 pb-1 2817.5 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1621.7 mA 1220.8 mA 28.2 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 3

IP Knob Tuning

20:43 LER HER
r1 (mrad) -0.07 6.00
r2 (mm) -4.65 0.55
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.15 -0.14
ηpy (mrad) 20.00 5.00
waist (mm) 1.41 -1.07
chromatic r1 (mrad) 120.00 -60.00
chromatic r2 (mm) -25.00 20.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/11/2026 00:01:11