SuperKEKB Shift Report

2025/12/21 (Su) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
Y.SEIMIYA M.TAWADA K.YOSHII
T.AOYAMA
Y.SEIMIYA T.TOUFUKU
Y.MIZUKAWA
Seino Yoshiaki

Shift Summary

recorded delivered
Peak luminosity 3.41 x 10 34 cm-2s-1
Integrated luminosity (shift) 455.3 pb-1 521.5 pb-1
Integrated luminosity (day) 1585.6 pb-1 1915.5 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1499.7 mA 1079.9 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 1 2 2

IP Knob Tuning

18:12 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 -0.32
ηpy (mrad) 42.00 8.00
waist (mm) 1.65 -1.80
chromatic r1 (mrad) 155.00 100.00
chromatic r2 (mm) 40.00 -100.00
chromatic r3 (1/m) 0.00 -100.00
chromatic r4 (rad) 0.00 0.00
created on 12/22/2025 00:01:09