SuperKEKB Shift Report

2021/11/4 (Th) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.FUKUMA M.YOSHIDA H.TSUKAHARA
M.FUJITA
K.YOKOYAMA S.USHIMOTO
T.ICHIKAWA
Shohei Nishida

Shift Summary

recorded delivered
Peak luminosity 1.42 x 10 34 cm-2s-1
Integrated luminosity (shift) 241.9 pb-1 264.6 pb-1

LER HERBoth DR
Energy 4.000 GeV 7.007 GeV 10.579 GeV 1.1 GeV
Beam current 544.8 mA 429.9 mA 13.9 mA
No. bunches 1272 1272
Beta at IP 80 mm / 1 mm 60 mm / 1 mm
Crab Waist Ratio 80 % 40 %
Aborts 0 0 0

IP Knob Tuning

15:53 LER HER
r1 (mrad) 3.30 1.50
r2 (mm) -4.00 -0.36
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.17 -0.09
ηpy (mrad) -10.00 -17.00
waist (mm) 2.14 0.50
chromatic r1 (mrad) 0.00 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 11/04/2021 16:01:03