September 7, 2011

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Revision as of 19:02, 7 September 2011 by Shaproma (talk | contribs)
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Wednesday Run Plan

  • Tune up beam
  • During this time, as much as possible tune up daq timing
  • Kicker magnet calibration with viewscreen
  • Pair spectrometer checkout/debugging
    This should include setting thresholds, studying rates with air converter, looking at rates with photon hole open
     versus blocked, ...
  • Check detector rates with D2O. See if we can get a good time of flight spectrum.


Kicker magnet calibration with viewscreen

Pair-spectrometer threshold calibration with beam

By using analog counter. Beam On. Swip Off. Collimator Open.

Thresh upstream beam collim 090711.png Thresh downstream beam collim 090711.png


By using analog counter. Beam On. Swip On. Collimator Open.

was not done


By using TDC to count PS pulses (10,000 beam pulses). Beam On. Swip Off. Collimator Open.

Thresh upstream beam collim TDCdata 090711.pngThresh downstream beam collim TDCdata 090711.png

By using TDC to count PS pulses (10,000 beam pulses). Beam On. Swip Off. Collimator blocked.

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