SuperKEKB Shift Report

2026/4/1 (We) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.OKADA --- Y.KURODA
T.MORO
--- M.BABA
N.TOYOTOMI
Hideyuki Nakazawa

Shift Summary

recorded delivered
Peak luminosity 4.64 x 10 34 cm-2s-1
Integrated luminosity (shift) 716.8 pb-1 777.5 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1652.0 mA 1280.6 mA 28.3 mA
No. bunches 2249 2249
Beta at IP 60 mm / 1 mm 59.9 mm / 1 mm
60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 2

IP Knob Tuning

00:32 LER HER
r1 (mrad) 0.60 4.50
r2 (mm) -4.60 0.65
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.12 -0.07
ηpy (mrad) 10.00 0.00
waist (mm) 1.30 -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 08:01:09