SuperKEKB Shift Report

2026/5/12 (Tu) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.OKADA Y.OHSAWA T.MORO
H.NOGUCHI
K.YOKOYAMA R.OIKAWA
T.KUDO
Rahul Tiwary

Shift Summary

recorded delivered
Peak luminosity 5.09 x 10 34 cm-2s-1
Integrated luminosity (shift) 701.5 pb-1 857.8 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1701.5 mA 1341.6 mA 28.2 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 0 1 2

IP Knob Tuning

12:45 LER HER
r1 (mrad) -1.00 0.50
r2 (mm) -4.55 6.95
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.24 0.05
ηpy (mrad) -35.00 16.90
waist (mm) 1.25 -1.25
chromatic r1 (mrad) -60.00 100.00
chromatic r2 (mm) -50.00 -35.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 05/12/2026 16:01:10