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Mokka vs. LCDG4 Comparison

Mokka vs. LCDG4 Comparison. Guilherme, Jeremy Sep.17, 2003. Data Samples. Single particle samples, 1000 evts each 10 GeV muons 50 Gev pions (flat in phi) 50 electrons (theta = 60 °, phi = 90° ) Warning: different kinematics!!. Energy per ECal layer - pions. Energy per HCal layer - pions.

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Mokka vs. LCDG4 Comparison

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  1. Mokka vs. LCDG4 Comparison Guilherme, Jeremy Sep.17, 2003

  2. Data Samples Single particle samples, 1000 evts each • 10 GeV muons • 50 Gev pions (flat in phi) • 50 electrons (theta = 60°, phi = 90°) Warning: different kinematics!!

  3. Energy per ECal layer - pions

  4. Energy per HCal layer - pions

  5. Live energy per cell in ECal

  6. Live energies per cell in Hcal

  7. LCDG4: Eabs per cell in Ecal

  8. LCDG4: Eabs in Ecal (log scale)

  9. LCDG4: Eabs per cell in Hcal

  10. Total live energy - pions

  11. Total corrected energy - pions

  12. Total live energy – electrons

  13. Total corrected energy – electrons

  14. Conclusions • Likely there are still some bugs in LCDG4 • Despite clear disagreements in EM showers between Mokka and LCDG4, they show better agreement among them than with Gismo • None of them are not properly corrected using Gismo-based sampling fractions • More investigations needed

  15. Next steps • Repeat comparisons using projective LCDG4 • Fair comparison: same versions of libraries, same cuts, same kinematics • Find/fix problem with fake peaks in absorber energies

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