SuperKEKB Shift Report

2021/12/4 (Sa) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.KOISO G.MITSUKA T.AOYAMA
N.TANAKA
D.ARAKAWA K.HISAZUMI
H.KUMANO
Ping Ni

Shift Summary

recorded delivered
Peak luminosity 2.49 x 10 34 cm-2s-1
Integrated luminosity (shift) 551.2 pb-1 592.6 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 750.8 mA 600.6 mA 14.8 mA
No. bunches 1272 1272
Beta at IP 80 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 40 %
Aborts 1 0 2

IP Knob Tuning

15:27 LER HER
r1 (mrad) 8.50 -1.00
r2 (mm) -4.14 2.76
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.16 -0.08
ηpy (mrad) 0.00 13.00
waist (mm) 2.10 0.60
chromatic r1 (mrad) 25.00 0.00
chromatic r2 (mm) 0.00 0.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 12/04/2021 16:01:03