SuperKEKB Shift Report

2026/4/30 (Th) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
M.NISHIWAKI A.ONO T.AOYAMA
T.MORO
M.KAWAMURA R.OIKAWA
K.KIMURA
Tak-Shun Lau

Shift Summary

recorded delivered
Peak luminosity 4.42 x 10 34 cm-2s-1
Integrated luminosity (shift) 163.4 pb-1 250.7 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1652.2 mA 1214.1 mA 29.2 mA
No. bunches 2346 2346
Beta at IP 55 mm / .9 mm
60 mm / 1 mm
55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 5 1 3

IP Knob Tuning

09:08 LER HER
r1 (mrad) -4.97 -0.50
r2 (mm) -4.51 7.00
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.13 0.06
ηpy (mrad) 39.90 18.62
waist (mm) 1.31 -1.10
chromatic r1 (mrad) 110.00 0.00
chromatic r2 (mm) -45.00 -40.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/30/2026 16:01:10