SuperKEKB Shift Report

2026/5/8 (Fr) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
OUMBAREK ESPINOS T.MORO
H.NOGUCHI
T.MIURA R.OIKAWA
K.HISAZUMI
Chihhan Tseng

Shift Summary

recorded delivered
Peak luminosity 4.68 x 10 34 cm-2s-1
Integrated luminosity (shift) 755.8 pb-1 899.7 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1650.4 mA 1300.6 mA 28.1 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 2 2

IP Knob Tuning

11:42 LER HER
r1 (mrad) -9.50 -2.00
r2 (mm) -4.70 6.40
r3 (1/hm) 40.00 0.00
r4 (crad) 35.00 -35.00
ηy (mm) -0.17 -0.02
ηpy (mrad) -53.00 -30.00
waist (mm) 1.40 -1.25
chromatic r1 (mrad) 195.00 80.00
chromatic r2 (mm) -25.00 30.00
chromatic r3 (1/m) 2.90 10.00
chromatic r4 (rad) -3.50 0.00
created on 05/08/2026 16:01:10