SuperKEKB Shift Report

2026/5/15 (Fr) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
M.NISHIWAKI --- S.YABUKI
MAN.TANAKA
--- Y.ICHIMURA
Y.IMAI
Hideyuki Nakazawa

Shift Summary

recorded delivered
Peak luminosity 4.50 x 10 34 cm-2s-1
Integrated luminosity (shift) 368.9 pb-1 425.9 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1601.9 mA 1200.6 mA 29.1 mA
No. bunches 2151 2151
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 0 2

IP Knob Tuning

00:05 LER HER
r1 (mrad) 0.00 2.50
r2 (mm) -4.55 7.03
r3 (1/hm) -40.00 0.00
r4 (crad) 2.00 0.00
ηy (mm) -0.18 -0.02
ηpy (mrad) -10.00 0.00
waist (mm) 1.32 -1.25
chromatic r1 (mrad) 180.00 20.00
chromatic r2 (mm) -40.00 -10.00
chromatic r3 (1/m) 2.00 30.00
chromatic r4 (rad) 1.00 3.00
created on 05/15/2026 08:01:10