SuperKEKB Shift Report

2025/12/20 (Sa) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
G.MITSUKA M.SHIRAI T.MORO
H.NOGUCHI
D.ARAKAWA Y.ICHIMURA
K.HISAZUMI
Seino Yoshiaki

Shift Summary

recorded delivered
Peak luminosity 3.33 x 10 34 cm-2s-1
Integrated luminosity (shift) 439.1 pb-1 494.1 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1360.8 mA 1040.1 mA 23.2 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 2 2

IP Knob Tuning

10:39 LER HER
r1 (mrad) -8.60 -4.30
r2 (mm) -4.30 -1.60
r3 (1/hm) 80.00 -50.00
r4 (crad) 10.00 5.00
ηy (mm) -0.29 -0.24
ηpy (mrad) 42.00 8.00
waist (mm) 1.65 -1.80
chromatic r1 (mrad) 5.00 3.80
chromatic r2 (mm) 0.00 -2.50
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 12/20/2025 16:01:10