Mokka vs. LCDG4 Comparison

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Presentation transcript:

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

Live energy per cell in ECal

Live energies per cell in Hcal

LCDG4: Eabs per cell in Ecal

LCDG4: Eabs in Ecal (log scale)

LCDG4: Eabs per cell in Hcal

Total live energy - pions

Total corrected energy - pions

Total live energy – electrons

Total corrected energy – electrons

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

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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