SuperKEKB Shift Report

2025/12/21 (Su) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
Y.YAMAMOTO S.SASAKI T.NAKAMURA
H.NOGUCHI
Y.OKAYASU Y.ICHIMURA
K.HISAZUMI
Tien Manh Tran

Shift Summary

recorded delivered
Peak luminosity 3.27 x 10 34 cm-2s-1
Integrated luminosity (shift) 470.6 pb-1 628.9 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1370.4 mA 1099.8 mA 23.1 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 0 3

IP Knob Tuning

14:43 LER HER
r1 (mrad) -8.50 -2.50
r2 (mm) -3.90 -1.30
r3 (1/hm) 80.00 -30.00
r4 (crad) 10.00 -10.00
ηy (mm) -0.25 -0.26
ηpy (mrad) 42.00 8.00
waist (mm) 1.65 -1.80
chromatic r1 (mrad) 5.00 100.00
chromatic r2 (mm) 0.00 -100.00
chromatic r3 (1/m) 0.00 -100.00
chromatic r4 (rad) 0.00 0.00
created on 12/21/2025 16:01:09