Report on tilecal commissioning january 25 2006
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Report on TileCal Commissioning January 25, 2006. Team 1: installation, services... Team 2: repairs Team 3: ”routing the last 20 meters of cables”, USA15 connection, finger connections, LVPS insertion, DCS monitoring Team 4: commissioning of superdrawers, take data using MobiDaq. Team 5.

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  • Team 1: installation, services...

  • Team 2: repairs

  • Team 3: ”routing the last 20 meters of cables”, USA15 connection, finger connections, LVPS insertion, DCS monitoring

  • Team 4: commissioning of superdrawers, take data using MobiDaq


Team 5
Team 5

  • Led by Kerstin and Martina Hurwiz

  • Analyse ALL commissioning data as they come  team 5 shifts

    (1am1pm Stockholm, 1pm1am Chicago)

    e.g. 3 runs to check on Tuesday

    2 long runs taken during

    the week end.

  • In depth analysis of problems,

    feedback to hardware folks


Commissioning data
Commissioning data

  • Pedestal runs

  • Charge injection scan

  • Constant charge injection

  • LED/laser: light pulse injected into the PMT

  • Physics/cosmics


Pedestal runs
Pedestal runs

  • Pedestal, noise,

    coherent noise ...

Low and high freq. Noise (Kerstin)

Coherent noise: look at covarariance matrix for the 48 channels (Ulla)


Single charge injection runs monocis
Single charge injection runs (”MonoCIS”)

  • Inject a defined and constant charge before the shaper, only done on the low gain (why?)

  • Find non responding (dead channels)

  • Check stability over time (long runs over the week end)


This run looks good!

Long run (60051) over the week end: problems in module C47 (Kerstin)



Charge injection scan
Charge injection scan

  • Inject increasing charges into the shaper

  • Stuck bits,

  • Check linearity

  • Compute gains

  • Check pulse shapes

  • Reconstructed pulse height vs phase


Outlook
Outlook

  • Increase productivity: efficient ways to look at commissioning runs for team 5 shifters

  • Define specific analyses and assign to various folks

  • Make available tools to be able to look at this data in new ways, access all relevant information (eg DCS)


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