WAC Notes August 30 2019

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WAC Notes August 29 2019 << >> WAC Notes August 31 2019

August 30 2019

Daily Meeting BlueJeans

Production Run List - Slug 74

During this slug there was an RHRS dipole trip, so the slug can be divided into two-arm and left-arm-only running

Two-Arm Running:

• Run 4677
  • Main Dets
    • Slightly wide
  • BPMs
    • Important BPMs missing?!
• Run 4678
  • Main Dets
    • Same deal as 4677
  • BPMs
    • BPM diffs still kinda bad

CONFIG: RHRS dipole died at this point.

• Run 4679
  • BPMs
    • Still not great
• Run 4680
  • BCMs
    • Double difference wings forming
• Run 4681
  • BCMs
    • Wings again
  • BPMs
    • Still not great, widths especially bad on 4aY, 4eY
• Run 4682
  • BPMs
    • Same as 4681
• Run 4683: Short
  • BPMs
    • Large BPM drifts
• Run 4684: Short
  • BCMs
    • Double peaking on double-diffs
  • BPMs
    • Still not great
• Run 4687
  • BCMs
    • Wings
  • BPMs
    • Widths getting worse?
• Run 4688
  • Main Dets
    • DSL asym kinda wide... not sure about worrying about it
  • BPMs
    • Small BPM drifts

RHRS restored during this period

• Run 4691
  • Main Dets
    • Widths are very bad
  • BPMs
    • Diff widths are bad
• Run 4694
  • Main Dets
    • Still bad

CONFIG CHANGE: Optics reversion

• Run 4695
  • Main Dets
    • Normal again

Non-Production Runs and Bad Runs

Prompt shows no good events for the following:

• Run 4685
• Run 4686

Runs taken during access to fix RHRS:

• Run 4690

Results for the following runs were beset by bad detector widths:

• Run 4692
• Run 4693