Abort Gap Light Measurement - PowerPoint PPT Presentation

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Title:

Abort Gap Light Measurement

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Accumulate 200 frames each 33 ms (1 abort gap, every 3rd turn) Take the raw 480x640 data and convert to 120x160 by summing 4x4 pixels ... – PowerPoint PPT presentation

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Title: Abort Gap Light Measurement


1
  • Abort Gap Light Measurement
  • Accumulate 200 frames each 33 ms (1 abort gap,
    every 3rd turn)
  • Take the raw 480x640 data and convert to 120x160
    by summing 4x4 pixels
  • Subtract background by fitting a line to the 10
    points at each end of horizontal row and
    subtracting the line from the data for each row

2
Abort Gap Light, TEL Off
Abort gap peak
Intensity
3
Abort Gap Light, TEL Off, background subtracted
Intensity
4
Abort Gap Light, TEL On
Intensity
5
Abort Gap Light, TEL On, background subtracted
Intensity
6
5 E9
7
  • TEL On -gt TEL Off
  • 5 E9 particles removed
  • --gt 5 E8 in single abort gap (If uniformly
    distributed around ring)
  • If require S/N gt 2, Synclite can detect anything
    over 7 E7 in single abort gap
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