SuperKEKB Shift Report

2022/5/20 (Fr) Swing shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
S.OGASAWARA M.TAWADA Y.OKI
M.FUJITA
T.MIURA S.USHIMOTO
K.SUZUKI
Yun-Tsung Lai

Shift Summary

recorded delivered
Peak luminosity 2.02 x 10 34 cm-2s-1
Integrated luminosity (shift) 174.5 pb-1 231.2 pb-1
Integrated luminosity (day) 309.2 pb-1 368.9 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 500.3 mA 400.1 mA 26.0 mA
No. bunches 783 783
Beta at IP 80 mm / .8 mm 60 mm / .8 mm
Crab Waist Ratio 80 % 40 %
Aborts 0 0 3

IP Knob Tuning

23:41 LER HER
r1 (mrad) 5.00 -2.00
r2 (mm) -3.85 -0.52
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.18 0.11
ηpy (mrad) 10.00 0.00
waist (mm) 2.10 -0.25
chromatic r1 (mrad) 50.00 0.00
chromatic r2 (mm) -60.00 0.00
chromatic r3 (1/m) -20.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 05/21/2022 00:01:04