SuperKEKB Shift Report

2026/5/8 (Fr) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.OKI --- H.TSUKAHARA
K.YOSHII
--- M.BABA
K.KIMURA
Hideyuki Nakazawa

Shift Summary

recorded delivered
Peak luminosity 4.78 x 10 34 cm-2s-1
Integrated luminosity (shift) 786.2 pb-1 974.0 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1603.7 mA 1280.6 mA 28.3 mA
No. bunches 2346 2346
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 1 3

IP Knob Tuning

07:16 LER HER
r1 (mrad) -5.00 -2.01
r2 (mm) -4.70 6.40
r3 (1/hm) 40.00 0.00
r4 (crad) 35.00 -35.00
ηy (mm) -0.17 0.02
ηpy (mrad) -53.00 -30.00
waist (mm) 1.40 -1.25
chromatic r1 (mrad) 195.00 0.00
chromatic r2 (mm) -25.00 -20.00
chromatic r3 (1/m) 2.90 5.00
chromatic r4 (rad) -3.50 0.00
created on 05/08/2026 08:01:09