SuperKEKB Shift Report

2026/2/27 (Fr) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
M.NISHIWAKI H.SUGIMURA H.TSUKAHARA
Y.KURODA
H.NAKAJIMA K.HISAZUMI
K.KIMURA
Akane Maeda

Shift Summary

recorded delivered
Peak luminosity 4.06 x 10 34 cm-2s-1
Integrated luminosity (shift) 102.4 pb-1 143.3 pb-1
Integrated luminosity (day) 1483.7 pb-1 1802.9 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1551.3 mA 1240.1 mA 29.0 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 1 22

IP Knob Tuning

18:12 LER HER
r1 (mrad) -3.00 8.00
r2 (mm) -4.40 -1.75
r3 (1/hm) 10.00 -50.00
r4 (crad) 0.00 -7.50
ηy (mm) -0.28 -0.10
ηpy (mrad) -0.02 0.02
waist (mm) 1.90 -1.20
chromatic r1 (mrad) 100.00 20.00
chromatic r2 (mm) -25.00 -50.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 02/28/2026 00:01:10