BCAL Reconstruction Algorithms

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List of Reconstruction Algorithms

  1. KLOE
  2. MATT
  3. JLAB: very simple algorithm based on the radial phi distribution.
    1. Generate two matrices 4 x 48*4 (all readout channels) for up and down stream readout
    2. Project the ADC values into an array 1 to 48*4 for both up and down stream
    3. Find largest ADC sum in array for up and downstream array and project it into an array from 0 to 60 with the maximum at 20
    4. Fit the position maximum with a Gaussian to determine position and take the average of up and down stream result. This will lead to the phi angle of the cluster
    5. Calculate the geometric mean of the energy (from up and downstream energy sums) using BCAL length and attenuation values.
    6. Calculate the average position along the BCAL using average time difference, length of the BCAL and attenuation values.
    7. Calculate the average mean time using BCAL lenth and effective speed of light in the fibers.
    8. No other attempt to separate clusters is done at this point.
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