SuperKEKB Shift Report

2026/3/19 (Th) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
S.OGASAWARA --- H.NOGUCHI
T.MORO
--- Y.ICHIMURA
K.HISAZUMI
Hideyuki Nakazawa

Shift Summary

recorded delivered
Peak luminosity 4.77 x 10 34 cm-2s-1
Integrated luminosity (shift) 716.5 pb-1 809.0 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1601.0 mA 1200.7 mA 29.3 mA
No. bunches 2249 2249
Beta at IP 60 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 60 %
Aborts 2 0 1

IP Knob Tuning

04:00 LER HER
r1 (mrad) -2.72 4.71
r2 (mm) -4.60 -1.95
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.22 -0.18
ηpy (mrad) -20.00 10.00
waist (mm) 1.42 -1.28
chromatic r1 (mrad) 0.00 38.00
chromatic r2 (mm) -45.00 -25.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 03/19/2026 08:01:13