SuperKEKB Shift Report

2021/12/7 (Tu) Owl shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
M.TAWADA N.OHUCHI H.TSUKAHARA
Y.KURODA
H.NAKAJIMA K.KIMURA
T.ICHIKAWA
Shohei Nishida

Shift Summary

recorded delivered
Peak luminosity 2.14 x 10 34 cm-2s-1
Integrated luminosity (shift) 288.4 pb-1 316.8 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 800.5 mA 640.6 mA 14.8 mA
No. bunches 1272 1272
Beta at IP 80 mm / 1 mm 60 mm / 1 mm
100 mm / 3 mm
200 mm / 8 mm
Crab Waist Ratio 80 % 40 %
Aborts 0 4 10

IP Knob Tuning

04:02 LER HER
r1 (mrad) 6.00 1.80
r2 (mm) -4.00 -0.10
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.03 -0.09
ηpy (mrad) 0.00 14.50
waist (mm) 2.10 0.60
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 12/07/2021 08:01:03