SuperKEKB Shift Report

2026/5/5 (Tu) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.KOGA K.MARUTSUKA T.AOYAMA
T.MORO
S.WANG T.KUDO
H.KUMANO
Tak-Shun Lau

Shift Summary

recorded delivered
Peak luminosity 4.62 x 10 34 cm-2s-1
Integrated luminosity (shift) 1015.4 pb-1 1153.8 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1671.3 mA 1240.5 mA 28.7 mA
No. bunches 2346 2346
Beta at IP 55 mm / .9 mm 54.9 mm / .9 mm
55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 0 0

IP Knob Tuning

15:54 LER HER
r1 (mrad) -0.49 0.40
r2 (mm) -4.54 7.00
r3 (1/hm) 50.00 -20.00
r4 (crad) 10.00 -30.00
ηy (mm) -0.18 0.02
ηpy (mrad) -38.08 -29.74
waist (mm) 1.25 -1.25
chromatic r1 (mrad) 35.00 40.00
chromatic r2 (mm) 35.00 0.00
chromatic r3 (1/m) 1.90 4.00
chromatic r4 (rad) -1.50 0.00
created on 05/05/2026 16:01:10