SuperKEKB Shift Report

2026/4/29 (We) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.SUGIMURA --- N.TANAKA
S.YABUKI
--- Y.ICHIMURA
K.HISAZUMI
Chihhan Tseng

Shift Summary

recorded delivered
Peak luminosity 4.09 x 10 34 cm-2s-1
Integrated luminosity (shift) 856.2 pb-1 1079.0 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1501.9 mA 1101.4 mA 28.7 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 0

IP Knob Tuning

04:57 LER HER
r1 (mrad) -4.90 -2.00
r2 (mm) -4.51 7.00
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.19 0.07
ηpy (mrad) 9.93 2.89
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 04/29/2026 08:01:09