SuperKEKB Shift Report

2021/7/4 (Su) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
T.OKI T.NAKAMURA H.TSUKAHARA
M.FUJITA
H.NAKAJIMA H.KUMANO
K.HISAZUMI
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Shift Summary

recorded delivered
Peak luminosity 2.77 x 10 34 cm-2s-1
Integrated luminosity (shift) 490.3 pb-1 551.9 pb-1

LER HERBoth DR
Energy 4.000 GeV 7.007 GeV 10.579 GeV 1.1 GeV
Beam current 851.6 mA 630.4 mA 23.5 mA
No. bunches 1272 1272
Beta at IP 80 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 40 %
Aborts 2 0 4

IP Knob Tuning

08:05 LER HER
r1 (mrad) 9.00 3.00
r2 (mm) -3.90 -1.65
r3 (1/hm) 0.00 -20.00
r4 (crad) 10.00 0.00
ηy (mm) -0.07 -0.13
ηpy (mrad) 25.00 -30.00
waist (mm) 2.14 0.50
chromatic r1 (mrad) 80.00 30.00
chromatic r2 (mm) -165.00 -10.00
chromatic r3 (1/m) -30.00 50.00
chromatic r4 (rad) 3.00 5.00
created on 10/12/2021 17:42:36