SuperKEKB Shift Report

2026/4/7 (Tu) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.YAMAGUCHI --- N.TANAKA
H.TSUKAHARA
--- Y.ICHIMURA
K.HISAZUMI
Chihhan Tseng

Shift Summary

recorded delivered
Peak luminosity 4.63 x 10 34 cm-2s-1
Integrated luminosity (shift) 969.6 pb-1 1088.2 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1603.2 mA 1201.1 mA 28.4 mA
No. bunches 2151 2151
Beta at IP 60 mm / 1 mm 59.9 mm / 1 mm
60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 0 2 1

IP Knob Tuning

04:40 LER HER
r1 (mrad) -3.00 4.50
r2 (mm) -4.63 0.40
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.17 -0.13
ηpy (mrad) -8.00 -12.00
waist (mm) 1.51 -1.05
chromatic r1 (mrad) 260.00 -100.00
chromatic r2 (mm) -20.00 -24.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/07/2026 08:01:09