SuperKEKB Shift Report

2026/2/28 (Sa) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.OKADA --- K.YOSHII
N.TANAKA
--- T.AOYAMA
N.TOYOTOMI
Gaurav Sharma

Shift Summary

recorded delivered
Peak luminosity 4.07 x 10 34 cm-2s-1
Integrated luminosity (shift) 769.5 pb-1 874.1 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1551.7 mA 1240.6 mA 28.9 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 59.9 mm / 1 mm
60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 2

IP Knob Tuning

01:10 LER HER
r1 (mrad) -3.00 8.00
r2 (mm) -4.40 -1.75
r3 (1/hm) 10.00 -50.00
r4 (crad) 0.00 -7.50
ηy (mm) -0.28 -0.10
ηpy (mrad) -0.02 0.02
waist (mm) 1.90 -1.20
chromatic r1 (mrad) 100.00 20.00
chromatic r2 (mm) -25.00 -50.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 02/28/2026 08:01:10