SuperKEKB Shift Report

2026/5/1 (Fr) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
S.OGASAWARA --- MAN.TANAKA
Y.KURODA
--- Y.ICHIMURA
K.HISAZUMI
Chihhan Tseng

Shift Summary

recorded delivered
Peak luminosity 4.17 x 10 34 cm-2s-1
Integrated luminosity (shift) 785.7 pb-1 1128.5 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1601.4 mA 1200.6 mA 29.2 mA
No. bunches 2346 2346
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 0

IP Knob Tuning

02:42 LER HER
r1 (mrad) -5.00 1.00
r2 (mm) -4.50 6.90
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) 0.00 0.00
ηpy (mrad) 0.00 0.00
waist (mm) 1.31 -1.10
chromatic r1 (mrad) 0.00 0.00
chromatic r2 (mm) 0.00 0.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 05/01/2026 08:01:10