SuperKEKB Shift Report

2026/4/10 (Fr) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
M.NISHIWAKI --- K.YOSHII
Y.KURODA
--- Y.ICHIMURA
K.HISAZUMI
Mikhail Remnev

Shift Summary

recorded delivered
Peak luminosity 4.53 x 10 34 cm-2s-1
Integrated luminosity (shift) 992.7 pb-1 1091.3 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1622.2 mA 1221.1 mA 28.0 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 2

IP Knob Tuning

07:38 LER HER
r1 (mrad) -1.77 2.00
r2 (mm) -4.58 0.51
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.17 -0.12
ηpy (mrad) 0.00 0.00
waist (mm) 1.11 -1.25
chromatic r1 (mrad) 120.00 -50.00
chromatic r2 (mm) -25.00 -30.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/10/2026 08:01:10