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OMC actions for preparation of commissioning

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6/R-018 (CERN)

6/R-018

CERN

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Ana

Accuracy plots and comparisons with and without systematics errors are not understanble. To be followed up.

beta-beating due to changing the tune by one unit rather large.

Orbit change prediction should be possible with on-line model and we should restrict to tune change within a reasonable orbit change.

 

Meghan, PSB

BPM problems fixed and noise has been reduced. Taking data this afternoon. 

 

 

Tobias, Commissioning:

Day-by-day plan:

http://lhc-commissioning.web.cern.ch/lhc-commissioning/2015/2015-comm-plan-schedule.htm

https://mmm.cern.ch/owa/redir.aspx?C=XuoIG3d0wEi1-F3_WvnB_cb4ToHpP9IIcMEbu7GMKdnZvYVNcGLWdCF6TNhvb0WFW_Zas_7Ooxc.&URL=https%3a%2f%2fdocs.google.com%2fspreadsheets%2fd%2f1MymYtSneOjztBxZd14hc8SR2jMLxhCKVL4jdYX7E7CI%2fpubhtml%23

-Coupling knobs updated

-IR skew quadrupoles to be added in corrections_IP.madx  (kqsx*)

-Need to be able to edit BPM start and BPM end in s-b-s (Jaime)

-Coupling is not displayed properly in s-b-s. To be updated (Jaime and Tobias) + Gnuplot checks

Jaime:

-tuns split functionality available

-integer part of the tune change available

 

 

 

 

 

 

 

 

 

 

There are minutes attached to this event. Show them.
    • 09:00 → 09:20
      PSB 20m
      Speaker: Dr Meghan McAteer (CERN)
    • 09:20 → 09:40
      GUI 20m
      Speaker: Jaime Maria Coello De Portugal - Martinez Vazquez (Ministere des affaires etrangeres et europeennes (FR))
    • 09:40 → 10:00
      updates 20m
      Speakers: Andy Sven Langner (Hamburg University (DE)), Tobias Hakan Bjorn Persson (CERN)
    • 10:00 → 10:20
      beta-beating for DQ=1 20m
      Speaker: Ana Garcia-Tabares Valdivieso (Ministere des affaires etrangeres et europeennes (FR))
      Slides